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A simple random sample of size n=15 is drawn from a population that is normally distributed. The sample mean is found to be x=26.7 and

A simple random sample of size n=15 is drawn from a population that is normally distributed. The sample mean is found to be

x=26.7 and the sample standard deviation is found to be s=6.3.

Determine if the population mean is different from24 at the =0.01

level of significance.

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