A Grocery Store Wants to Know Whether E-Mails Containing Recipes

question 55

Multiple Choice

A grocery store wants to know whether e-mails containing recipes have an influence on shopping habits.They are able to track who actually opens the e-mails,as well as the time at which the e-mails are deleted,and are able to track purchasing behavior via their preferred customer program that requires scanning of an identification card to get discounted prices.This allows a(n) ____ measure of the impact of the advertising e-mails.

• A)unobtrusive
• B)hypothetical
• C)self-report
• D)subjective

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Definitions:

ANOVA F Test

A statistical test used to determine if there are any statistically significant differences between the means of three or more independent groups.

Completely Randomized Experiments

Experimental designs where all subjects are allocated to groups based only on chance, reducing systematic bias.

Kruskal-Wallis H Test

A nonparametric test used to determine if there are statistically significant differences between two or more groups of an independent variable on a continuous or ordinal dependent variable.

Wilcoxon Rank-sum Test

A nonparametric statistical test used to compare two independent samples to see if they come from the same distribution.