Question

A random sample of n = 25 is obtained from a population with variance σ2, and the sample mean is computed to be x-bar = 70. Consider the null hypothesis H0: μ = 80 versus the alternative hypothesis H1: μ < 80. Compute the p-value for the following options.
a. The population variance is σ2 = 225.
b. The population variance is σ2 = 900.
c. The population variance is σ2 = 400.
d. The population variance is σ2 = 600.


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  • CreatedJuly 07, 2015
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