Statistical Methods

Statistical Methods

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Stratified sample Definition 8.9 Stratified sample A stratified sample is obtained by forming strata in the population, and from ... As an example, we may be planning a survey to determine the profitability of offering a lawn care service in a town.

Title:Statistical Methods
Author:Roger C. Pfaffenberger, James Herbert Patterson
Publisher:McGraw-Hill/Irwin - 1987


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