Calculate the Lower and Upper Limits of the 90% Confidence

question 77

Multiple Choice

Calculate the lower and upper limits of the 90% confidence interval for a sample of N = 17 with a mean = 18.43 and standard error of the mean = .72.

• A) (17.17, 19.69)
• B) (16.33, 20.53)
• C) (15.96, 20.90)
• D) 16.90, 19.96)

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