Calculate the 95% Confidence Interval for a Sample of N

question 81

Multiple Choice

Calculate the 95% confidence interval for a sample of N = 15 with a mean = 3.50 and standard error of the mean = .21.

• A) 95% CI = 3.50 ± .45
• B) 95% CI = 3.50 ± .37
• C) 95% CI = 3.50 ± .63
• D) 95% CI = 3.50 ± 2.36

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Definitions:

Available Information

Data or facts that are accessible to the public and can be used to make educated decisions or analyses.

Standard Deviation

A statistical measurement that illustrates the dispersion of a dataset relative to its mean, often used to gauge volatility.

Treasury Bills

Short-term government securities issued at a discount from the face value and maturing at par, typically used as a low-risk investment.

Large-company Stocks

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