Question: 14. Consider the data in Problem 8a. Suppose the researcher wants to test the hypothesis 14. that the population mean is equal to 72; she

14. Consider the data in Problem 8a. Suppose the researcher wants to test the hypothesis 14.

that the population mean is equal to 72; she is interested in sample departures from this mean in either direction.

(a) Set up H0 and H1.

(b) Determine t.05.

(c) Perform the statistical test.

(d) Draw final conclusions.

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