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Check the assumptions and conditions for inference

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Question: Yogurt. Consumer Reports tested 14 brands of vanilla yogurt and found the following numbers of calories per serving:

160    200    220    230    120    180    140

130    170    190      80    120    100    170

a) Check the assumptions and conditions for inference.

b) Create a 95% confidence interval for the average calorie content of vanilla yogurt.

c) A diet guide claims that you will get 120 calories from a serving of vanilla yogurt. What does this evidence indicate? Use your confidence interval to test an appropriate hypothesis and state your conclusion.

Reference no: EM131744922

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