Question

A random sample of 51 observations was selected from a normally distributed population. The sample mean was x = 98.2 and the sample variance was s2 = 37.5 Does this sample show sufficient reason to conclude that the population standard deviation is not equal to 8 at the 0.05 level of significance?
a. Solve using the p-value approach.
b. Solve using the classical approach.


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  • CreatedAugust 28, 2015
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