Question: Suppose you are testing the following hypotheses: H0: = 650 Ha: 650 Sample size is 100. The sample mean is 635. The

Suppose you are testing the following hypotheses: H0: μ = 650 Ha: μ ≠ 650 Sample size is 100. The sample mean is 635. The population standard deviation is 140. The significance level is .10.
a. Compute the sample statistic, z stat.
b. Compute the appropriate p value for the sample mean.
c. Should you reject the null hypothesis? Explain.

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a z stat 635650140 100 107 b From the normal table the area below z 107 is 1423 Doubling ... View full answer

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