Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
A marketing research group shows three different television advertisements for the same product to each of sixty people to see if the ads are equally effective or not. Each participant is asked which of the three advertisements they believe is most effective. The following table summarizes the counts of how many people found each advertisement to be the most effective.
-What is the value of the chi-square statistic for testing the null hypothesis that equal proportions of people find each advertisement to be most effective?

A) 7.6
B) 6.9
C) 0.38
D) 82.54