Question: A simple random sample of 45 men from a normally distributed population results in a standard deviation of 12.2 beats per minute. The normal range

A simple random sample of 45 men from a normally distributed population results in a standard deviation of 12.2 beats per minute. The normal range of pulse rates of adults is typically given as 60 to 100 beats per minute. If the range rule of thumb is applied to that normalrange, the result is a standard deviation of 10 beats per minute. Use the sample results with a 0.05 significance level to test the claim that pulse rates of men have a standard deviation equal to 10 beats per minute. Complete parts(a) through(d) below.

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