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Unformatted text preview: DQ #1 "When would you use ANOVA at your place of employment? Give a specific example that includes the treatments. Add some thought on what that application might achieve, value, etc. The purpose of conducting ANOVA is to see if there is any difference between two or more groups on some variable. ANOVA is a general technique that can be used to test the hypothesis that the means among two or more groups are equal, under the assumption that the sampled populations are normally distributed. A one-way analysis of variance requires that the independent variable specify groups or categories and the dependent variable be interval level. Where I work, a One-way ANOVA was carried out to see if the display aisles recorded different sales so that more attention could be paid to those aisles registering lower sales. Three different aisle locations (three treatments) were considered: Front, Middle, and Rear. A random sample of 18 stores was selected, with 6 stores randomly assigned to each aisle location. At the end of a one month of 18 stores was selected, with 6 stores randomly assigned to each aisle location....
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This document was uploaded on 05/10/2011.
- Spring '11