If a sample containing 20 observations is taken from a normally distributed population and a 90%...

If a sample containing 20 observations is taken from a normally distributed population and a 90% confidence estimate for is needed, the appropriate t-score is (Specify your answer to the 3rd decimal.)

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Expert Solution

df = n - 1 = 20 - 1 = 19

T-score for 90% confidence interval = t_0.05,19 = 1.729 (ans)

orchestra answered 1 year ago

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