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A paleontologist examines 39 skeletons of a new species of dinosaur and finds that the average...

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Statistics

A paleontologist examines 39 skeletons of a new species ofdinosaur and finds that the average length of the right femur is 90cm, with a standard deviation of 9 cm.
a. Does this involve ?-values or ?-values? Explain how you knowthis.


b. Estimate the population mean with 95% confidence.

Answer & Explanation Solved by verified expert
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Solution Here the given information aresamplen39sample mean 90sample standard deviations9a In this example involve    See Answer
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