We want to test the following hypothesis Ho: u = 60 H1: u 60 Consider a=0.05....

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Answer 1

Answer #1

Based on the information provided, the significance level is a = 0.05, and the critical value for a two- tailed test is to =

df = 8-1 = 7

The two-tailed critical t value is +2.3646

lower limit = -2.3646

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Answer 2

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