Question: Baseballs. A random sample of 40 new baseballs is obtained. Each ball is dropped onto a concrete surface, and the bounce heights have a mean
Baseballs. A random sample of 40 new baseballs is obtained. Each ball is dropped onto a concrete surface, and the bounce heights have a mean of 92.67 inches and a standard deviation of 1.79 inches (based on data from USA Today). Test the claim that the new baseballs have a mean bounce height that is less than the mean bounce height of 92.84 inches found for older baseballs.
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