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(All Steps) A random sample of 46 observations was selected from a normally distributed population. The sample mean was x̄ = 81, and the sample variance

Question: A random sample of 46 observations was selected from a normally distributed population. The sample mean was \[\bar{x}\] = 81, and the sample variance was s 2 = 35.0. Does the sample show sufficient reason to conclude that the population standard deviation is not equal to 7 at the 0.05 level of significance? Use the p -value method.

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