Essay
Solve the problem. Use the P-value method to test the claim that the population standard deviation of the systolic blood pressures of adults aged 40-50 is equal to 22 mm Hg. The sample statistics are as follows: n=23, x=132.2 mm Hg, s=26.6 mm Hg. Be sure to state the hypotheses, the value of this test statistic, the P -value, and your conclusion. Use a significance level of 0.05 .
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