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Compute the value of the test statistic

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Reference no: EM131703125

Consider the following hypotheses test.

H0: μ ≥ 80

Ha: μ < 80

A sample of 121 provided a sample mean of 77.3. The population standard deviation is known to be 16.5.

a. Compute the value of the test statistic.

b. Determine the p-value; and using α = .063, test the above hypotheses.

c. Using the critical value approach and α = .063, test the hypotheses.

Reference no: EM131703125

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