Consider the Minitab output below.

(a) Fill in the missing values. Can the null hypothesis be rejected at the 0.05 level? Why?
(b) Is this a one-sided or two-sided test?
(c) How many degrees of freedom are there on the t-test statistic?
(d) Use the output and a normal table to find a 95% CI on the mean.
(e) Suppose that the hypotheses had been. H0 : H0 :   90 versus H1 :   90. What
conclusions would you have drawn?

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One-Sample T Test or mu= 95 vs not 95 N Mean StDev SE Mean 95% CI 2094.580 ? 0.671 (93.176, 95.984) ? 0.539