Question: Question 6 A. A sample of 25 items produced a mean of 46. Assume that the population standard deviation is 6 and test the following

Question 6

A.A sample of 25 items produced a mean of 46. Assume that the population standard deviation is 6 and test the following hypothesis with = 0.05

Ho: = 50

H1: < 50

B.A sample of 25 students revealed that the average age of students at Holmes is 21 years and the standard deviation of age is 1.8. Test the hypothesis that the population mean of the student age is greater than 19 at 10% significance level.

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