Systolic blood pressure levels above 120 mm Hg are considered to be high. For the 100 systolic blood pressure levels listed in the accompanying data​ set, the mean is 121.88000 mm Hg and the standard deviation is 16.16536 mm Hg. Assume that a simple random sample has been selected. Use a 0.10 significance level to test the claim that the sample is from a population with a mean greater than 120 mm Hg. LOADING...

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