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8 A random sample of 64 observations produced the following summary statistics 0 323 and s 034 a Test the null hypothesis that u 0

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8 A random sample of 64 observations produced the following summary statistics 0 323 and s 034 a Test the null hypothesis that u 0 36 against the alternative hypothesis that 0 36 using a 10 b Test the null hypothesis that 0 36 against the alter native hypothesis that u 0 36 using a 10

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