Solve the Problem

question 44

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 mmHg. The
sample statistics are as follows: nx==23, 132.2 mmHg, s = 26.6 mmHg. 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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