TABLE 12-13 According to an Article in Marketing News, Fewer Checks Are

question 27

Short Answer

TABLE 12-13
According to an article in Marketing News, fewer checks are being written at grocery store checkout stands than in the past. To determine whether there is a difference in the proportion of shoppers who pay by check among three consecutive years at a 0.05 level of significance, the results of a survey of 500 shoppers in three consecutive years are obtained and presented below.

-Referring to Table 12-13, what is the value of the critical range for the Marascuilo procedure to test for the difference in proportions between year 1 and year 3 using a 0.05 level of significance?

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Definitions:

Consumer Culture

A societal framework in which buying and using goods and services is promoted as a primary social and economic activity.

Great Depression

Worst economic depression in American history; it was spurred by the stock market crash of 1929 and lasted until World War II.

Segregation

A policy or practice of separating people based on race or ethnicity, often resulting in inequality and discrimination.

Greensboro Sit-in

A series of nonviolent protests in 1960 which started when four African American students sat at a segregated lunch counter in Greensboro, North Carolina, challenging racial segregation.