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TABLE 10-4 Two Samples Each of Size 25 Are Taken from Independent

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TABLE 10-4
Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances.The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0.
-In testing for the differences between the means of two related populations,you assume that the differences follow a(n)________ distribution.

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