Multiple Choice
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 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.
Correct Answer:

Verified
Correct Answer:
Verified
Q38: TABLE 12-7<br> The director of
Q38: TABLE 12-4<br>One criterion used to evaluate employees
Q39: TABLE 12-5<br>A corporation randomly selects 150 salespeople
Q41: TABLE 12-17<br>Data on the percentage of 200
Q44: TABLE 12-14<br>A perfume manufacturer is trying to
Q45: TABLE 12-2<br>Many companies use well-known celebrities as
Q46: TABLE 12-2<br>Many companies use well-known celebrities as
Q47: TABLE 12-12<br>Recent studies have found that American
Q130: TABLE 12-13<br>According to an article
Q165: TABLE 12-9<br> Four surgical procedures currently