mathematics dealing with the collection, analysis, interpretation, and presentation of data.
Analyzing collected data for the purposes of summarizing information to make it more usable and/or making generalizations about a population based on a sample drawn from that population.
A commonly used data analysis technique. Statistical analysis is used often used to describe phenomena in a concise and revealing manner. This is known as descriptive statistics. It can also be used to test for relationships among variables or generalise findings to a wider population. This is known as statistical inference. See also data collection, non-statistical analysis.