Use the Formula to Calculate the Lower and Upper

question 40

Multiple Choice

Use the formula to calculate the lower and upper limits of the 90% confidence interval for a sample of N = 12 with a mean = 4.00 and standard error of the mean = .58.

• A) (2.96, 5.04)
• B) (2.20, 5.80)
• C) 1.62, 6.38)
• D) 2.72, 5.28)

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