23 A random sample of 100 observations from a population with standard deviation 60 yielded a sample
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23 A random sample of 100 observations from a population with standard deviation 60 yielded a sample mean of 110.
a. Test the null hypothesis that m = 100 against the alternative hypothesis that m 7 100, using a = .05.
Interpret the results of the test.
b. Test the null hypothesis that m = 100 against the alternative hypothesis that m 100, using a = .05.
Interpret the results of the test.
c. Compare the results of the two tests you conducted.
Explain why the results differ.
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