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

Multiple Choice

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 correct conclusion?

A) There is enough evidence that the proportions are all different in the 3 years.
B) There is not enough evidence that the proportions are all different in the 3 years.
C) There is enough evidence that at least two of the proportions are not equal.
D) There is not enough evidence that at least two of the proportions are not equal.