The director of a large company is concerned about the effect of stress on the c

Question

The director of a large company is concerned about the effect of stress on the companys executives The medical officer examines the records of 72 executives to determine if the mean blood pressure for the company's executives is higher than the national average of 128 The hypotheses are H_0: u = 128 H_9: u > 128 The p-value for this test is 0.1379. At the 5% significance level the director A. rejects H_0. the mean blood pressure for the company's executives is not significantly different from t national average of 128 B. does not reject H_0, the mean blood pressure for the company's executives is not significantly higher than the national average of 128 C. does not reject H_0 the mean blood pressure for the company's executives is significantly higher than the national average of 128 D. rejects H_0 the mean blood pressure for the company's executives is significantly higher than the national average of 128 E. none of the above

Explanation / Answer

as P value is higher then 0.05 level of significance:

hence option B is correct . does not reject Ho.

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