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Question: Suppose an advertisement reported that the mean weight loss after using a certain exercise machine for 2 months was 10 pounds. You investigate further and discover that the median weight loss was 3 pounds.

a. Explain whether it is most likely that the weight losses were skewed to the right, skewed to the left, or symmetric.

b. As a consumer trying to decide whether to buy this exercise machine, would it have been more useful for the company to give you the mean or the median? Explain.

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Statistics and Probability, Statistics

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