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J. LUUIELLI. J.J._.-' Using independent random samples, a researcher is comparing the number of hour week for high school seniors versus sophomores. The results are

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J. LUUIELLI. J.J._.-' Using independent random samples, a researcher is comparing the number of hour week for high school seniors versus sophomores. The results are shown here. Assurnir equal standard deviations, does it appear that the average number of television hours ] these two populations? In comparing the performances of the two groups, the 0.135 1

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