Statisticians have shown that the mathematical process that derived the Student's t distribution is robust, which means that if the sampled population is non-normal, the t test of the population mean is still valid, provided that the population is not extremely non-normal.

Question

Statisticians have shown that the mathematical process that derived the Student's t distribution is robust, which means that if the sampled population is non-normal, the t test of the population mean  is still valid, provided that the population is not extremely non-normal.

Quizplus · Accepted Answer

This is true. The t test is robust, meaning it still works well even if the population is not exactly normal (as long as it's not extremely non-normal).

Statisticians Have Shown That the Mathematical Process That Derived the Student's