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Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is μd = 0. Compute the value of the t test statistic. Round intermediate calculations to four decimal places as needed and final answers to three decimal places as needed.

x 28 31 20 25 28 27 33 35

y 26 27 26 25 29 32 33 34

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