Multiple Choice
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. 
-
Correct Answer:
Verified
Correct Answer:
Verified
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Q126: To use the Wilcoxon Rank Sum Test