What Conditions Are Required by the Central Limit Theorem Before

question 110

Multiple Choice

What conditions are required by the central limit theorem before a confidence interval of the population mean may be created?

• A) The underlying population must be normally distributed.
• B) The underlying population must be normally distributed if the sample size is 30 or more.
• C) The underlying population need not be normally distributed if the sample size is 30 or more.
• D) The underlying population need not be normally distributed if the population standard deviation is known.

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