SCENARIO 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 Scenario 12-6,there is sufficient evidence to conclude that the proportions between year 2 and year 3 are different at a 0.05 level of significance.

Question

SCENARIO 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 Scenario 12-6,there is sufficient evidence to conclude that the proportions between year 2 and year 3 are different at a 0.05 level of significance.

Quizplus · Accepted Answer

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, we need to conduct a hypothesis test. Without the data and test results, we cannot definitively say whether the proportions between year 2 and year 3 are different, but since the statement says "there is sufficient evidence to conclude," we can assume that the test rejected the null hypothesis and found a significant difference. Therefore, the answer is A.

SCENARIO 12-6 According to an Article in Marketing News,fewer Checks Are Being