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Consider H0 40 versus H1 40 a

Consider H0: µ = 40 versus H1: µ > 40.

a. A random sample of 64 observations taken from this population produced a sample mean of 43 and a standard deviation of 5. Using α = .025, would you reject the null hypothesis?

b. Another random sample of 64 observations taken from the same population produced a sample mean of 41 and a standard deviation of 7. Using α = .025, would you reject the null hypothesis?

Comment on the results of parts a and b.

a. A random sample of 64 observations taken from this population produced a sample mean of 43 and a standard deviation of 5. Using α = .025, would you reject the null hypothesis?

b. Another random sample of 64 observations taken from the same population produced a sample mean of 41 and a standard deviation of 7. Using α = .025, would you reject the null hypothesis?

Comment on the results of parts a and b.

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