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A Sample of 61 Items Provided a Sample Mean of 932

Question 10

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A sample of 61 items provided a sample mean of 932, a sample mode of 900, and a sample standard deviation of 11.Test the following hypotheses using α = .05.What is your conclusion?
H0: σ2 ≤ 80
Ha: σ2 > 80

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χ2 = 90.75 > 79.082 (p-value ...

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