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1. Suppose you want to test the claim that 0. 18 at the = 0. 06 significance level. Find the appropriate critical value(s) for this

1. Suppose you want to test the claim that 0. 18 at the = 0. 06 significance level. Find the appropriate critical value(s) for this test.

2. A 90% confidence interval for the average IQ among adults is (97.4, 101.8).

a. What is the best guess for the average IQ among adults?

b. What is the margin of error for the average IQ among adults?

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