For Sample Sizes Greater Than 30,the Sampling Distribution of the Mean

question 51

Multiple Choice

For sample sizes greater than 30,the sampling distribution of the mean will be approximately normally distributed

• A)regardless of the shape of the population.
• B)only if the shape of the population is symmetrical.
• C)only if the standard deviation of the samples are known.
• D)only if the population is normally distributed.

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