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A common way to use a paired samples t-test is to compare pretest and posttest scores.As part of a research project, a researcher computes the

A common way to use a paired samples t-test is to compare pretest and posttest scores.As part of a research project, a researcher computes the means of 200 pretest and posttest scores. Which type of test should the researcher run-- an independent samples t-test or paired samples t-test?

A. independent

B. paired

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