Breyers Is a Major Producer of Ice Cream and Would $$t \bar { x }$$

question 78

Multiple Choice

Breyers is a major producer of ice cream and would like to test the hypothesis that the average American consumes more than 17 ounces if ice cream per month. A random sample of 15 Americans was found to consume an average of 18.2 ounces of ice cream last month. The standard deviation for this sample was 3.9 ounces. Breyers would like to set ? = 0.10. The test statistic for this hypothesis test would be _______.

• A)\[t \bar { x }\] = 1.19
• B)\[t \bar { x }\]= 2.11
• C)\[z \bar { x }\]= 1.83
• D)\[z \bar { x }\] = 2.49

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