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- Consider the data set that is summarized in the Minitab Output below. Source DF C2 Error 34 Total 36 Adj SS 122.79 210.34 3

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Answer #1

a) from the given o/p, CI is (-7.558 , -2.130)

b)if confidence interval do not contain 0, means are significantly different, so, answer is
pair (1 and 2) and (1 and 3)

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