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,the assumptions needed to perform the test are satisfied.

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,the assumptions needed to perform the test are satisfied.

Quizplus · Accepted Answer

The scenario does not provide information about the assumptions that need to be checked to perform the test, but it assumes that the survey data collected meets the requirements for a hypothesis test. Therefore, it can be assumed that the assumptions needed to perform the test are satisfied.

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