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A standardized exam consists of three parts: math, writing, and critical reading. Sample data showing the math and writing scores for a sample of 12

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A standardized exam consists of three parts: math, writing, and critical reading. Sample data showing the math and writing scores for a sample of 12 students who took exam follow. Test for a difference between the population mean for the math scores and the population mean for the writing scores. (Use math score - writing score.) Calculate the test statistic. (Round your answer to three decimal places.)

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