Question: step by step Question 8 (4 Marks) A sample of 41 observations is selected from a normal population. The sample mean is 31, and the

step by step Question 8 (4 Marks) A sample of 41

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Question 8 (4 Marks) A sample of 41 observations is selected from a normal population. The sample mean is 31, and the population standard deviation is 7. Conduct the following test of hypothesis using the 0.05 significance level

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