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We Are Testing H0: µ ? 42;versus HA: µ > Yˉ=45\bar { Y } = 45

Question 143

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We are testing H0: µ ? 42;versus HA: µ > 42.When Yˉ=45\bar { Y } = 45
s = 1.2,and n = 15,at ? = .01 we do not reject the null hypothesis.(Assume that the population from which the sample is selected is normally distributed. )

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