For any population X with expected value µ and standard deviation σ, the sampling distribution of will be approximately normal if the sample size n is sufficiently small. As a general guideline, the normal distribution approximation is justified when n

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For any population X with expected value µ and standard deviation σ, the sampling distribution of  will be approximately normal if the sample size n is sufficiently small. As a general guideline, the normal distribution approximation is justified when n < 30.

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The Answer of For any population X with expected value µ and standard deviation σ, the sampling distribution of  will be approximately normal if the sample size n is sufficiently small. As a general guideline, the normal distribution approximation is justified when n < 30.

For Any Population X with Expected Value µ and Standard