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.
-True or False: Referring to Scenario 12-6, there is insufficient evidence to conclude that the
proportions between year 1 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. 
-True or False: Referring to Scenario 12-6, there is insufficient evidence to conclude that the
proportions between year 1 and year 3 are different at a 0.05 level of significance.

Quizplus · Accepted Answer

The statement "there is insufficient evidence" suggests a conclusion of no significant difference, but without specific data or results from Scenario 12-6, we cannot definitively determine the evidence level or conclusion.

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