If the sampled population is nonnormal,the t-test of the population mean $\mu$ is still valid,provided that the condition is not extreme.

Question

Quizplus · Accepted Answer

The t-test of the population mean can still be valid for non-normal populations as long as the sample size is large enough and the sample data is not extremely skewed or has significant outliers. However, if the sample size is small and the data is severely skewed, the t-test may not provide accurate results.

If the Sampled Population Is Nonnormal,the T-Test of the Population μ\muμ

If the Sampled Population Is Nonnormal,the T-Test of the Population $\mu$