(All Steps) A random sample of 51 observations was selected from a normally distributed population. The sample mean was 88.6, and the sample variance was
Question: A random sample of 51 observations was selected from a normally distributed population. The sample mean was 88.6, and the sample variance was s 2 = 38.2. Does the sample show sufficient reason to conclude that the population standard deviation is not equal to 8 at the 0.05 level of significance? Use the p -value method. (6 pts)
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