Question

what condition or conditions must hold true for the sampling distribution of the sample mean to be normal when the sample size is less than 30?

Answer 1

When the sample size is smaller than 30, the following requirements must be met for the sampling distribution of the sample mean to be considered normal:

1. The data values should be symmetrical in the sample.
2. No outliers should be in sample data .

If these conditions are satisfied then the sampling distribution of the sample mean to be normal when sample size is less than 30.

A statistic's sampling distribution is a form of probability distribution produced by selecting several random samples of a predetermined size from the same population. You may better comprehend the variations in a sample statistic by using these distributions.

Learn more about Sampling distribution at,

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