Question: 2.9. Consider the Minitab output shown below. One-Sample T: Y Test of mu = 25 vs. not = 25 Variable N Mean StDev SE Mean

2.9. Consider the Minitab output shown below.

One-Sample T: Y Test of mu = 25 vs. not = 25 Variable N Mean StDev SE Mean 95% CI T P Y 12 25.4818 2.3360 1 0.034

(a) How many degrees of freedom are there on the t-test statistic?

(b) Fill in the missing information.

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