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A Marketing Research Company Surveyed Grocery Shoppers on the East

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A marketing research company surveyed grocery shoppers on the East Coast and West Coast to find the percentage of the customers who prefer chicken to other meat. The data are given below.
A marketing research company surveyed grocery shoppers on the East Coast and West Coast to find the percentage of the customers who prefer chicken to other meat. The data are given below. What is the test statistic for the alternative hypothesis that the West Coast prefers chicken at a higher proportion than the East Coast? What is the test statistic for the alternative hypothesis that the West Coast prefers chicken at a higher proportion than the East Coast?

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