Definitions for **"variance"**

Waiver from planning code requirement due to hardship of the applicant.

A device which grants a property owner relief from certain provisions of the Critical Area ordinances when, because of the particular physical surroundings, shape, or topographical condition of the property, compliance would result in a particular hardship upon the owner, as distinguished from a mere inconvenience or a desire to benefit economically. Authority to decide variances is vested in the local jurisdiction's Board of Appeals or, in certain jurisdictions, a special hearing examiner. All variances granted by Boards of Appeal or hearing examiners within the Critical Area are reviewed by Critical Area Commission staff for consistency with State regulations.

A limited waiver from the requirements of the zoning ordinance, or building code, that may be granted because of special circumstances regarding the subject property. A land use variance usually requires a public hearing before the Planning Commission, Zoning Board,or Zoning Administrator. A building code variance may be granted by the Building Official, or a Board of Permit Appeals.

Departure from the general rule; an exception.

A departure from the currently accepted zoning classification. Variances are granted by the local municipality or city zoning office which allow the user to construct a building or structures that would otherwise be a violation of the current zoning requirements.

Permission to do an otherwise illegal act.

A grant of exception from a specific zoning standard when the Planning Commission finds, in those rare instances, that the particular physical surroundings, shape, or topography condition of the property would result in a hardship upon the owner. There are five legal findings that must be made in order to grant a variance

An individual exception to a land-use restriction or other legal standard granted because of special circumstances.

(See zoning variance.)

Allows an exception to certain development standards such as setbacks, building height, lot dimensions and other zoning code requirements.

A measure of the amount of variation there is in a population. AgencyGP uses variance in fitness to estimate the genetic variance in a population, but that is a rather crude estimate. If agents are overly permissive, radically different individuals may be given the same low unfitness. It is, however, a convenient measure, and we use it.

permission granted for a limited time under stated conditions for a person or company to operate outside the limits prescribed in a regulation

Permission obtained form zoning authorities permitting the construction of a building or structure that is forbidden by present zoning ordinances; a departure from the current zoning regulation.

An exemption from the application of a zoning requirement permitting a use that varies from that otherwise permitted under the zoning regulation.

Special administrative procedure by which one may obtain an exception to zoning rules such as height, setback and type of use. (See the “Legal Considerations” section.)

A special suspension of zoning laws to allow the use of property in a manner not in accord with existing laws.

A special permission to vary a physical structure or use a property in a way normally prohibited by existing zoning.

a change or relaxation in the required standards of the code that will not be contrary to the public interest, where, owing to special conditions, a literal enforcement of the provisions of the code will result in unnecessary and undue hardship

a device that permits a property owner to do something on the land that is prohibited by the zoning law

a different type of relief to strict regulations

a form of special exception

a legal means of granting property owners relief from specific provisions of the adopted Code of Ordinances

a legal term for making you an exception to the law

a license to do something contrary to law

a limited waiver of development standards for a use that is otherwise permitted in that zone

a means of solving problems created by applying the terms of the Zoning Ordinance to a property in which the use would normally be permitted but has problems meeting a provision such as setbacks or height regulations

a method by which a property owner may seek relief from the strict interpretation of the zoning ordinance because of an unusual physical circumstance of the property

a modification of specific requirements contained in the Anne Arundel County Zoning Ordinance relating to the location and/or size of a structure or use

a modification of the density, bulk or area requirements of the zoning ordinance

an administrative authorization for the construction of a structure or, as in the present case, for the establishment of a use which is prohibited by a zoning enactment

an administrative exception to a law

an administrative order granting temporary relief from specific provisions of an APCD rule or permit condition

an approved exception or departure from the requirements of the town Land Use Plan and/or Dane County zoning ordinances

an authority to a property owner to use property in a manner forbidden by the law while a special use permit allows the property owner to put his property to a use expressly permitted by the law

an authorization to depart from the general requirements of the City's zoning regulations

an exception to current zoning laws

an exception to the rules that are set forth in the County Zoning Ordinance

a permit issued to a landowner or lessee by an administrative agency to construct or relax a standard not otherwise permitted under zoning regulations

a process by which a property owner may apply for limited relief from the requirements of the Dane County zoning ordinances

a relaxation of one or more of the specific flood damage prevention standards of Article VI of the Model Ordinance

a relaxation of the rules pertaining to setbacks

a relaxation of the terms of this ordinance

a relaxation of the zoning requirements for dimensional issues such as setbacks, lot coverage, building height and so forth

a request to vary development standards (not uses) such as building setbacks in the Zoning Ordinance

a Special Exception to the Zoning Ordinance limited to situations where the proposed placement or size of a structure is in non-compliance with the Zoning Ordinance, and existing conditions would cause an undue hardship

a special privilege granted by the Board of Adjustment to allow for site development on land that has specific conditions such as size, shape or topography that may result in practical difficulties or hardships for development

a type of appeal in which the property owner must first go to the zoning inspectors with an application for a zoning permit

a unique form of relief

a waiver from compliance with a specific provision of the zoning regulations

a zoning adjustment which permits minor changes of zone district requirements where individual properties are burdened by the strict

A variance is an exception granted by the City Council from the zoning requirements of a particular zoning district. Variances can be granted when performance standards, such as setbacks, cannot be met due to unusual physical site characteristics, called a 'hardship'. A hardship is related to the physical characteristics of the land, such as slopes or mature trees. The property owner most prove there is a hardship and the variance requested is necessary to alleviate a physical hardship caused by unusual circumstances. Variances cannot be used to either establish or enlarge a use which is not otherwise permitted in the zoning district. Variance applicants usually become aware of the need for a variance because they have applied for a building permit and have been told by the Inspection Department that the structure does not comply with a zoning performance standard.

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The relaxation of requirements of a zoning district for a specific parcel or tract of land. Variances are often issued to avoid unnecessary hardships to a landowner.

A change to a zoning requirement without changing the zoning, usually with respect to a certain piece of property under certain circumstances.

Modifying the strict terms of an ordinance. This modification does not authorize a principal or accessory use of the property which is not permitted within the zoning district where the property is located.

An allowance by the zoning commission to use a property in a way that does not conform to the established zoning.

A formal approval that can be granted by a municipality to allow development or use of a property which doesn't meet the requirements of a municipal zoning ordinance. Variances can be granted only if certain tests contained in New Jersey's Municipal Land Use Law are met.

A variance is permission to engage in an act contrary to a usual rule. A property owner might request a variance regarding the use of the land, setbacks, height limitations, or the percent of the property to be covered by structure. A hearing is held by the planning department to determine if a variance will be granted. Owners of neighboring properties are invited to express their views. Each planning department has their own criteria. As an example, the applicant might be expected to explain how one or more of these factors apply: That the applicant would be deprived of the reasonable use of the land or building, if the zoning code were strictly applied. That there are unique circumstances, different from the general conditions of the neighborhood. That the variance sought would not alter the essential character of the locality. That it would not be contrary to the intent and purpose of the zoning code.

An exception to a specific section of a housing code granted to a landlord on an individual basis. In Ann Arbor, they are granted by the Housing Board of Appeals(see above).

State or EPA permission not to meet a certain drinking water standard. The water system must prove that: (1) it cannot meet a MCL, even while using the best available treatment method, because of the characteristics of the raw water, and (2) the variance will not create an unreasonable risk to public health. The State or EPA must review, and allow public comment on, a variance every three years. States can also grant variances to water systems that serve small populations and which prove that they are unable to afford the required treatment, an alternative water source, or otherwise comply with the standard.

Permission from an appropriate governing agency to not conform to specific construction codes, zoning regulations, or other prescribed restrictions concerning property use.... read full article

A change in zoning of a specific parcel from the zoning of the rest of the immediate area.

The right granted by a city or municipality to develop or use a property in a way that varies from the typical or stated requirements.

a permission to do something or use something in a way other than what is allowed by existing laws, policies or guidelines. For example, a new business operation might be granted a variance from the zoning authority representing a community that wants economic development. Variances sometimes require, specific, public approval before they can actually be granted. definition of variance defined definition of variances defined

Permission, given by the Department of Education, that allows students to transfer from their zoned school to another school in or out of district.

An indulgence granted by a local zoning commission or authority to allow a non-conforming use of a property to continue. The zoning bylaw or ordinance is actually amended as it pertains to the particular property.

Refers to permission that allows a property owner to depart from the literal requirements of a zoning ordinance that, because of special circumstances, cause a unique hardship. Included would be such things as the particular physical surroundings, shape or topographical condition of the property and when compliance would result in a practical difficulty and would deprive the owner of the reasonable use of the property.

Permission obtained from governmental zoning authorities to build a structure or conduct a use that is expressly prohibited by the current zoning lows; an exception from the zoning laws. A variance gives some measure of elasticity to the zoning game.s

Permission obtained form proper authorities to use land in a manner contrary to existing zoning ordinances. SEE: Nonconforming Use.

an exception to a portion of the existing zoning on a property, such as reducing a setback to be less stringent

Obtaining permission from a local zoning authority to build a structure in a way that violates the strict terms of the zoning ordinance.

A formal waiver from a municipal building department or similar agency to allow an exception to local codes or ordinances on some nonconforming feature of a building project.

exception from a regulation on a case-by-case basis determined by special criteria.

An exception to municipal zoning regulations granted for a specific time period to allow for non-conforming use of the land.

Legal permission to build a structure in a manner that would otherwise be prohibited by an ordinance.

An application to the Board of Zoning Appeals which seeks relief from a specific zoning regulation such as lot width, building height, or minimum yard requirements, among others. A variance may only be granted by the Board of Zoning Appeals through the public hearing process and upon a finding by the BZA that the variance application meets the required Standards for a Variance set forth in Sect. 18 404 of the Zoning Ordinance.

A permit that grants a property owner relief from certain provisions of a zoning ordinance when, because of the particular physical surroundings, shape or topographical condition of the property, compliance would result in a particular hardship or practical difficulty which would deprive the owner of the reasonable use of the land or building involved.

A modification of yards, areas and other dimensional requirements in this chapter which are not contrary to the public interest. A variance may be allowed only when conditions peculiar to the property and not caused by applicant's actions, would make literal enforcement of the dimensional requirements of this chapter an unnecessary hardship.

All U.S. shows that use moderate- or high-power lasers must have a variance granted by the CDRH that allows the show to take place. CDRH's regulations cover laser equipment and laser effects, and variances must usually be obtained for each venue where a show is performed.

The permission granted by a city council, board of adjustment or hearing examiner, following a public hearing, for and adjustment to some regulation in a zoning ordinance to alleviate an unnecessary hardship. The permission granted must not be contrary to the public interest and maintains the spirit and original intent of the ordinance.

A modification of the specific regulations granted by the Board of Adjustment for the purpose of assuring that no property, because of special circumstances applicable to it, shall be deprived of privileges commonly enjoyed other properties in the same vicinity and zone. Category: Community Development

An exception to a zoning ordinance, usually granted by a local government.

An exception to zoning regulations or ordinances granted to relieve a hardship.

A one-time modification of an existing zoning law.

Permission granted by a zoning authority to a property owner to allow for a specified violation of the zoning requirements. Variances are generally granted when compliance is impossible without rendering the property filely unusable.

(child care): An exemption to a regulation granted by the Commissioner of the Vermont Department of Social and Rehabilitation Services in circumstances when, in his/her judgment, the literal application of a child care regulation would result in unnecessary hardship and when the intent of the regulation can be achieved by other means.

A variance is the provision of relief from the terms of the zoning ordinance.

a limited exemption from local zoning requirements.

Government authorization to use or develop a property in a manner which is not permitted by the applicable zoning regulations.

A granted exception to the zoning law.

authorization to improve or develop property in a manner not authorized by the zoning ordinances iŒš'zA“y'nŠJ”‚È‚Ç‚É‚¨‚¯‚éj“Á—á“I”F

Government permission for a delay or exception in the application of a given law, ordinance, or regulation.

An approved special change in construction codes, zoning requirements, or other property use restrictions.

In zoning, a variance is an administrative exception to land use regulations, generally in order to compensate for a deficiency in a real property which would prevent the property from complying with the zoning regulation. Variances are required in the United States in order to prevent a regulatory taking.

A measure of the average distance between each of a set of data points and their...

The quality or state of being variant; change of condition; variation.

The expected value of the square of the deviation from the mean of a randomly distributed variable; the second moment about the mean. This is also the square of the standard deviation.

See Sample Variance.

The variance , of a random variable is the expected or average value of the square of the difference between the random variable and its mean. We usually refer to the variance of a set of data as

The average of the squared deviation (difference from the mean).

A number defining the extent to which a series of numbers vary from their average.

A measure of dispersion which is the mean of the squares of deviations of the observations from the population mean. Estimated as the ratio of a sum of squares to the corresponding number of degrees of freedom.

A deviation in a building or zoning ordinance granted by an appeal authority upon relevant grounds being proven.

The measure of the flux a player's bankroll goes through.

In estimating population characteristics, the variance is a description of the precision of an estimate. The smaller the variance the more certain we are that the true population value is close to our estimate. The standard error, another common measure of precision, is the square root of the variance.

Deviation or difference between an estimated value and the actual value.

In statistics: The sum of the squared deviations, divided by one less than the number of observations. A statistical measure of variation in a population.

A measure of how much an economic or statistical variable varies across values or observations. Its calculation is the same as that of the covariance, being the covariance of the variable with itself.

The average squared deviation about the mean of a set of data. A measure of the variation around the central class of a distribution; the average squared deviation of the observations from their mean value.

Squared deviations of scores from the mean; indicator of the variability or spread of a set of scores

a measure based on the average deviation of a set of scores from their group mean. (54, 647)

Statistical term that quantifies the dispersion of data such as rates or prices around the mean. For example, highly volatile rates are rates that are sometimes high above the mean and sometimes way below the mean. Less volatile rates are dispersed closer to the mean and therefore have smaller variances. Similar to, but not the same as, the average amount by which data deviates from the mean for that data.

A measure of the variability of a frequency distribution. It is computed by finding the difference between each score and the mean (M), squaring the result, adding all these squared deviations, and dividing the sum by the number of cases. If N is the number of scores, then V = sum of (score - M)²/ N.

A measure of dispersion around an expected value, or mean.

A measure of the variability in the possible outcomes of a particular event.

Variance gives a measure of dispersion of a random variable X from its mean, and its units are the square of the units of X. The theoretical variance of a random variable X is the expected value of (X-)2, and is written as . The variance of a sample x1,..., xn is defined as , and is more easily calculated from .

The variance of a series of numbers is a measure of the variability of those numbers around the mean value. The variance is just the mean of the squares of the deviations around the mean.

a measure of the variability or precision of a set of observations.

A descriptive statistic which provides a measure of dispersion. It is obtained by squaring the standard deviation. See also analysis of variance, standard deviation, statistical analysis.

a statistical measure of how values vary from the mean.

If you have a sufficient advantage at the game you're playing, you expect to make money over the long haul. This is true whether the game is poker, blackjack, or craps, and whether your advantage is due to skill, cheating, or psychic powers. However, over a small period of time, you may do better or worse than what your average should be. For example, you may expect to make one big bet per hour at the poker table, but in a given hour it may not be uncommon for you to win or lose twenty big bets. Variance is the statistical measure of dispersion, or just how widely your results will be distributed. When variance is high enough, a small advantage may be of no use during your lifetime. When variance is low enough, a small sample will be much more likely to reflect your real advantage (or disadvantage). In other words, variance describes just how long the long haul is. In poker terms, high variance means that a small number of hands will not be very representative of your long-term expectation.

A measure of dispersion of returns on investments based on deviations from the average or mean value.

The value of the standard deviation squared.

a measure of data variation; the mean of the squared deviation scores about the means of a distribution.

The ups and down that your bankroll experiences

A measure of how spread out a distribution is. It is computed as the average squared deviation of each number from its mean.

The mean of squared deviations of individual values from the average. Is a measure of spread.

Variance measures how dispersed the data is. The variance is equal to the average square of the difference between the individual scores and the mean. If there were three points 2, 7, and 9, the mean of these scores is (2+7+9)/3=6. The variance of this distribution equals ((2-6)2+(7-6) 2+(9-6) 2)/3. This equals (16+1+9)/3=8.7.

The variation of returns based on deviations from the average value.

A statistical measure of the dispersion of observation values in a data set. The variance of a sample is the sum of the square of each value in the data set subtracted from the mean divided by one less than the total number of observations in the data set.

The amount actual time, real costs or final R & D results deviate from the values anticipated in a plan. Also in statistics the variance of set of n measurements x1, x2, ..., xn is the average of the squares of the deviations of the measurements about their mean.

A permitted, one-time, deviation from specific requirements of a zoning ordinance because of the special hardship to a property owner.

The average of squared deviations of scores from the mean is a theoretical measure of spread among scores in a set. Variance is in squared units, not the same units used to make observations. Typically, variance is a theoretical concepts or a general way of talking about spread of scores and is abbreviated Ïƒ 2, sigma squared. [See also standard deviation

Variance is a measure of dispersion from average values.

A number that expresses the spread of individual data points around the mean for a sample.

the quality of being subject to variation

an activity that varies from a norm or standard; "any variation in his routine was immediately reported"

a deviation from a code requirement

an approved condition that technically varies from Safeguards and Security directive requirements, but affords equivalent levels of protection without compensatory measures

a permitted deviation from the literal requirements of the land use ordinance

a request for a deviation from the Zoning Code for a particular development standard because of unusual circumstances associated with a particular site

a request to allow a deviation from a development standard required by the Zoning Ordinance

a request to deviate from current zoning requirements

a specific approval to deviate dimensions like building height, lot area, parking spaces, setbacks, etc

a tendency for a system or part of a system to deviate from some expected or desired standard or norm

a time limited authorized deviation from the specifics of a Rule

The mean square deviation from the mean. cf. sample variance.

The variance (S2) represents "average" squared deviations from the mean for a set of observations. Variances may be determined for linear combinations of observations as well.

A measure of the swings in your bankroll. Games that are short handed or have wild players in them will be higher variance then full games with rocks.

a measure of the amount of spread in a data set. A large variance indicates that there are many scores located away from the mean.

In a data set, the sum of the squared deviations divided by one less than the number of elements in the set (sample variance s2) or by the number of elements in the set (population variance).

A measure of variation within a distribution, determined by averaging the squared deviations from the mean of a distribution.

The statistical measure of how your results will be dispersed.

Variance is a measure of the swings and roundabouts of lady luck. In any game with an element of chance (small element of chance because poker is a skill game) there will be some swing towards positive variance (lucky) and negative variance (bad luck). As a prospective player you will experience both at some time or other.

A measure of the dispersion shown by a set of observations, defined by the sum of the squares of deviations from the mean, divided by the number of degrees of freedom in the set of observations.

A standard measure of the variation that exists in a series of values or of a frequency distribution. Estimated as the sum of the squares of the deviations from the mean value for the variable divided by the number of degrees of freedom

Is a measure of volatility, risk, or statistical dispersion. It is the square of the standard deviation. The variance is calculated by: computing the mean of the series then taking the deviation or subtracting the mean from each observation, square the differences or deviations for each observation, and divide the sum of the squared deviations by the number of observations. This computation is the precursor to the standard deviation. The standard deviation is calculated by taking the square root of the variance.

Statistical term describing the second central moment about the mean, a measure of scale or width, calculated by taking the average of the deviations squared.

A measure of dispersion which is equal to the average of the square of the deviations of variables from their mean.

A measure of variability that indicates how far all of the scores in a distribution vary from the mean.

a measure of dispersion based on the degree to which elements of a sample or population differ from the average element.

A measure of the up and down swings your bankroll goes through. Variance is not necessarily a measure of how well you play. However, the higher your variance, the wider swings you'll see in your bankroll.

( Stat.). A measure of variability, being the square of the standard deviation or standard error. ( BCFT).

The sum of each data point's distance from the mean, squared, and divided by the number of data points minus one.

Statistical measure of dispersion of distribution, used as a measure to determine the risk of an investment. ield — The annual rate of return on an investment expressed as a percentage.

Variance of a random variable is the value of the square of the deviation between that variable and its expected value. It is a measure of the dispersion of the individual unit values about their mean.

The variance of a distribution is the average of squares of the distances from the values drawn from the mean of the distribution: var(x) = E[(x-Ex)2]. Also called 'centered second moment.' Nick Cox attributes the term to R.A. Fisher, 1918. Source: econterms

the square of a standard deviation; a measure of the difference between actual performance and forecast, or standard, performance. enture capital: money used to finance new companies or projects, especially those with high earning potential and high risk. enture funding: the round of funding for a new company that follows seed funding provided by venture capitalists.

Variance measures the dispersion of a return distribution. It is the sum of the squares of a return's deviation from the mean, divided by . The value will always be â‰¥ 0, with larger values corresponding to data that is more spread out. Ïƒ (X - Î¼)2= X = observation value Î¼ = population mean N = number of observations

a statistical measure of the dispersion of a set of values about its mean.

A measure of the degree of spread among a set of values; a measure of the tendency of individual values to vary from the mean value. It is computed by subtracting the mean value from each value, squaring each of these differences, summing these results, and dividing this sum by the number of values in order to obtain the arithmetic mean of these squares.

Variance is a statistic that describes the variation seen in a trait. Without variation, no genetic progress is possible, since genetically superior animals would not be distinguishable from genetically inferior ones.

Removal of requirements for strict material control and accountability as special nuclear material when evaluations demonstrate that the proposed processing method for the material, the controls in place for normal handling of transuranic waste from the processing, and the limited quantity of special nuclear material present at any particular place and time preclude the need to take additional measures to address threats of diversion and theft.

A statistic which measures how spread out or dispersed a set of data is. The value calculated will always be greater than or equal to zero, with larger values corresponding to data which is more spread out. If all data values are identical, the variance is equal to zero. The square root of the variance is called the standard deviation. Since the standard deviation is measured in the same units as the data, it is more frequently used than the variance. The variance and standard deviation are calculated in the One Variable Analysis Statlet.

The variability of returns on a game, measured statistically.

With respect to poker, the distribution of your results over a a set of hands or sessions, or the swings in a positive or negative direction of cash flow. The greater the variance, the wilder the swings; the lower the variance, the more likely a given session results will be close to one's average result.

Variance is the average squared deviation from the mean or the standard deviation squared. The statistic is a measure of variability or dispersion of the scores.

A measure of the variability of a set of observations that are subject to some chance variation, equal to the expected squared difference between a single observation and the average of all possible observations obtained in the same manner. The variance is the square of the standard error of estimates. The variance indicates the likely difference between the value computed from the CBECS sample and the average of the values that could have been computed from all possible samples that might have been obtained by the same sample selection process. (See Standard Error.)

A measure of the amount of diversity or variation in the scores received for a question. The analysis of variance is key to many statistical measures of association.

A statistical measure that indicates the width of a distribution around the mean. It is the second moment of a distribution. A related measure is the standard deviation, which is the square root of the variance. (See CreditMetrics Technical Document, page 16.)

When all values in a plus and minus deviations from the population mean. The variance is the mean of the squared deviations.

A measure of the spread or dispersion of scores within a distribution. A larger variance indicates that individual cases are further from the mean; a smaller variance indicates that individual scores are closer to the mean.

A statistical measure of population dispersion calculated as an average absolute deviation of individual population data points from the population average. addaa fageenya View

The Variance of a random variable is the square of the standard deviation of that variable.

a statistical measure of variation in a set of data. The average squared deviation of data points from the mean.

The positive or negative swings in ones bankroll. This is not necessarily a measure of a playerâ€(tm)s skill level but it is a good indicator of a playerâ€(tm)s style

The variance of a variable is related to the error by: (for a single measurement). The variance of the quantity is found from: where is the mean. A variance is the special case of a covariance where both quantities ( and in the glossary entry for covariance) are the same. Variances occupy the diagonal elements of a covariance matrix.

Deviation from a standard or norm

A method by which a government body formally deviates from the terms of its sign or zoning ordinance. Typically, obtaining a variance for a sign requires the applicant to show that it would not be contrary to the public interest or that a literal enforcement of the regulations would result in unnecessary and undue hardship (due to conditions unique to the property).

(Statistics) A measure of the spread or dispersion of a variable about its Mean or Arithmetic Mean value. The variance is calculated by taking the sum of the squares of the deviations, that is, the sum of the difference between the observed value and the series mean value, and dividing by the sample size (number of observations). The variance for a large data set (the population variance) is calculated as: s2 [sigma] = ( xi — x [sigma] = ( xi — x where: xi is an individual observation; is the mean of all observations; and is the number of observations. xi is an individual observation; is the mean of all observations; and is the number of observations. For smaller data sets (typically less than 50) the sample variance (s2) is calculated by replacing with —1 in this equation. The positive square root of the variance is called the Standard Deviation. Both the variance and the standard deviation are non-negative, by definition.

A measure of differences between individual scores in a set of scores.

Grants permission to deviate from a zoning restriction.

(see moments, standard deviation) is the second central moment, and is a scale parameter of a probability distribution. [pg 32, 2

A measure of variability (or spread). It is denoted by Ïƒ2 and defined as the mean-square deviation from the mean, that is, the mean of the squares of the differences between individual values of and the mean value where denotes expected value. The positive square root Ïƒ of the variance is called the standard deviation. An unbiased estimate 2 of the variance Ïƒ2 is obtained from independent observations and their sample average as follows: and the positive square root of 2 is taken as an estimate of the standard deviation Ïƒ.

A mathematical measure of the dispersion of the values of a variable around its mean. The variance may arise from a sampling of the population under study, or may just measure the variability of population values around its mean. The variance is denoted as sigma squared, s2.

The average of the squared differences between the values of a variable and the mean. The variance estimates the spread of a distribution.

The square of the standard deviation. W X

Mathematically, the sample variance is the sum of squares of the differences between the individual values of a set and the arithmetic average of the set, divided by one less than the number of values: For a finite population, the variance s2 is the sum of squares of deviations from the arithmetic mean, divided by the number of values in the population: where µ is the true arithmetic mean of the population.

Variance is a measure of the variability or dispersion in the distribution of measurements or scores. For example, consider hemoglobin measurements on two separate groups of children. The measurements in group A may be widely dispersed while the measurements in group B may be clustered around the central point. In this case, the group A distribution would have greater variability or variance than group B. In statistical terms, the variance is the mean of the squared deviations about the mean. Formulas for the calculation of variance can be found in any basic statistics text book.

A measure of deviation from the mean in a sample or population.

A measure of dispersion of a set of data points around their mean value. The mathematical expectation of the average squared deviations from the mean. The square root of the variance is the standard deviation.

The measure of the variability of the variable. The statistical measure of how similar a population is in a characteristic being studied. It is the average squared distance of all measurements from the mean.

A measure of how much a set of numbers, known or future possibilities, varies... more on Variance

The degree to which a set of quantities vary: A measure of the spread of scores in a distribution of scores, that is, a measure of dispersion. The larger the variance, the further the individual cases are from the mean. The smaller the variance, the closer the individual score are to the mean. Specifically, the population variance is the mean of the sum of the squared deviations from the mean score. The Sample variance is computed by dividing the sum of squared deviations by the number in the sample minus 1. The Standard Deviation is the square root of the variance.

An allowable deviation from the land use prescribed by the existing zoning ordinances.

A measure of the dispersion of a set of data points around their mean value. It is a mathematical expectation of the average squared deviations from the mean.

Measures the volatility of a data set/data points from the mean. It is calculated by adding the squares of the standard deviations from the mean and dividing by the number of data points, i.e. taking the average of the standard deviations.

The second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.

1) The difference between the expected (budgeted or planned) value and the actual. 2) In statistics, a measurement of dispersion of data. See: estimate of error.

The most commonly used statistical measure of dispersion. The first step is to square the deviations of a data item from its average value. Then the average of the squared deviations is calculated to obtain an overall measure of variability.

In probability theory and statistics, the variance of a random variable (or somewhat more precisely, of a probability distribution) is a measure of its statistical dispersion, indicating how its possible values are spread around the expected value. Where the expected value shows the location of the distribution, the variance indicates the scale of the values. A more understandable measure is the square root of the variance, called the standard deviation.

In the Labor Distribution System (LDS), a difference between the Payroll and the LDS records.

The difference between a planned, budgeted or standard cost and the actual cost incurred. The same comparisons may be made for revenues.

The difference between planned, budgeted or standard cost and actual cost (or revenue). Variance analysis is an analysis of the factors which have caused the difference between the pre-determined standards and the actual results.

Magnetic north and true north do not coincide at the same geographic point. They differ by a number of degrees. The discrepancy between magnetic and true north also differs with location. Variance is the amount, at some geographic point, by which the direction to magnetic north varied from the direction to true north.

in accounting, is the difference between a projected number and the actual number, e.g. 1. a budget variance is spending either more or less from the amount that was budgeted; and 2. a cost variance is the difference between actual cost and standard cost in the categories of direct material, direct labor, and direct overhead.

In accounting, the difference between the actual cost and the standard cost for direct material, labour and overhead.

an event that departs from expectations

The difference between actual and targeted numbers for revenues, expenditures, or productivity. Variances are usually described as either favorable or unfavorable. See also standard costs.

A calculation of the difference between plan and actual results, used by analysts to manage and track the impact of planning and budgeting.

This is a calculation that dates back to the early 1900s, when it was used by factories to track the difference between their budgeted costs and their actual costs. Variance is now the core of a project management system called earned value management, which tracks the project by considering effort â€œearnedâ€ against a budget only after it has actually been performed.

The difference between the budget and the actual amount of income or expenditure on any one Accounts Code or for an entire Budget.

Difference between standard cost and actual cost. Also, the difference between an actual revenue or expense item and the budget for that item (budget variance).

a discrepancy between the actual and planned performance on a project, either in terms of schedule or cost.

The difference between what is expected and what actually occurs. Usually encountered when talking about the differences in playing Multihand games where the variance is higher than in single hand mode thus requiring the player to wager more to achieve the expected return.

The difference between what was expected and what is actual. This can be applied to the budget, schedule, or specifications.

The difference between what was planned and what actually happened. Variances are part of budget monitoring and causes of variances should be found to permit total understanding of the current position.

The difference between a project's baseline status and current status.

The difference between planned and actual costs (and revenue).

A term used with standard costs to report a difference between actual costs and standard costs. To learn more, see Explanation of Standard Costs & Variances. To Top

The difference between budget and actual expenditure or between planned and actual action expressed as a plus or a minus figure in management reports.

In budgeting (or management accounting in general), a variance is a difference between budgeted, planned or standard amount and the actual amount incurred/sold. Variances can be computed for both costs and revenues.

Difference that produces dispute or controversy; disagreement; dissension; discord; dispute; quarrel.

A disagreement or difference between two parts of the same legal proceeding, which, to be effectual, ought to agree, -- as between the writ and the declaration, or between the allegation and the proof.

discord that splits a group

Any mechanism or provision under Sections 301 or 316 of the CWA or under 40 CFR Part 125, or in the applicable "effluent limitations guidelines" which allows modification to or waiver of the generally applicable effluent limitations requirements or time deadlines of the CWA. This includes provisions which allow the establishment of alternative limitations based on fundamentally different factors.

A mechanism or provision that allows modification to or waiver of requirements or standards.

a program that allows for flexibility from specific requirements of an OSHA standard where levels of employee protection are maintained

An exemption given by the State to a water system if an MCL cannot be met; given that certain conditions are met by the water system.

A State with primary enforcement responsibility under the Safe Drinking Water Act may relieve a public water system from a requirement respecting an MCL by granting a variance if certain conditions exist. These are:

A VaR measure that calculates the volatility of each risk factor from historical data an estimates its effect on the portfolio to give an overall composite VaR that includes all risk factors.

The difference between two area calculations of a subject suite, floor or building area made by two individuals. The area calculation of a building owner is deemed accurate if the variance between their area calculation and that of another party is less than 2% under the BOMA, GWCAR and NAHB Standards.

When a group sends in premium with number of lives and either the premium or the commission amounts are not equal to what the system calculates for that number of lives. We then send out a variance letter with a correct worksheet and explain the difference. Enrollment variance for underwriting purposes is when there is a change greater than 10% in the enrollment of the group, the underwriter may choose to trigger a provision of the policy and change the rates and/or factors the group contract is based on.

a difference between conflicting facts or claims or opinions; "a growing divergence of opinion"

The amount, rate, extent, degree of change, or the divergence from a desired characteristic or state. back to the top

a problem that stems form a focal problem being embedded in a web or chain of relationships

a problem that when passed along, makes everyone else's job miserable

LANE STEPS

a proposed use

vertical line charting V formation

a totally separate application