TABLE 12-6 According to an Article in Marketing News, Fewer Checks Are

question 105

Short Answer

TABLE 12-6
According to an article in Marketing News, fewer checks are being written at the grocery store checkout 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 12-6, 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:

Religion

A set of beliefs concerning the cause, nature, and purpose of the universe, especially when considered as the creation of a superhuman agency or agencies, often involving devotional and ritual observances.

Binomial Variable

A variable that has only two possible outcomes or states, usually associated with 'success' or 'failure' in binary outcome experiments.

Religion

A social-cultural system of designated behaviors, practices, morals, worldviews, texts, sanctified places, prophecies, ethics, or organizations, that relates humanity to supernatural, transcendental, or spiritual elements.

Calculate

The process of determining a result numerically using mathematical operations or algorithms.