SCENARIO 12-18 A Consulting Firm That Surveyed Consumers' Holiday Shopping Behavior Found

Multiple Choice

SCENARIO 12-18
A consulting firm that surveyed consumers' holiday shopping behavior found that the percentage of
consumers from the U.S., Canada, and China who said that they planned to spend more on holiday
shopping were 40%, 34% and 72%, respectively. Random samples of size 150 are selected from each
of the three countries.
You want to test for evidence of a difference among the proportions across the three countries using
the 0.05 level of significance.
-Referring to Scenario 12-18, which of the following is the correct conclusion on the order of the proportions among the three countries?

A) There is enough evidence that the proportion in China is greater than that in the U.S. as well as Canada but there is not enough evidence of a difference between the U.S and
Canada.
B) There is enough evidence that the proportion in the U.S. is greater than that in China as well as Canada but there is not enough evidence of a difference between China and
Canada.
C) There is enough evidence that the proportion in Canada is greater than that in the U.S. as well as China but there is not enough evidence of a difference between the U.S and
China.
D) There is enough evidence that the proportion in China is greater than that in the U.S. which is in turn greater than that in Canada.