Definitions for "Category Killer"
Large discount chains with powerful buying power and efficiencies of scale.
A retailer, such as a mass merchandiser or a pet food superstore, able to undercut prices of most competitors because of high-volume sales.
A store with a narrow focus of specialization able to deliver product at a lower price than more broad-lined retailers and that undercuts competition in a market area, e.g., Toys "R" Us, pet food superstores.
Keywords:  cluster, compatible, sampling
Cluster Sampling Compatible