Output from a software package is given below: One-Sample Z: Test of mu 99 vs > 99 The
Chapter 9, Problem 9-39(choose chapter or problem)
Output from a software package is given below: One-Sample Z: Test of mu 99 vs > 99 The assumed standard deviation 2.5 Variable N Mean StDev SE Mean Z P x 12 100.039 2.365 ? 1.44 0.075 (a) Fill in the missing items. What conclusions would you draw? (b) Is this a one-sided or a two-sided test? (c) If the hypothesis had been H0: 98 versus H1: > 98, would you reject the null hypothesis at the 0.05 level of significance? Can you answer this without referring to the normal table? (d) Use the normal table and the above data to construct a 95% lower bound on the mean. (e) What would the P-value be if the alternative hypothesis is ?
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