Finding standard error of the mean

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Reference no: EM1321998

Consider the following hypothesis test:

H_o: μ ≥ 40

H_a: μ < 40

A sample of 49 provides a sample mean of 38 and a sample standard deviation of 7.

a. Determine the standard error of the mean.

b. Compute the value of the test statistic.

c. Determine the p-value; and at 95% confidence, test the above hypotheses.

Reference no: EM1321998

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