The t test for dependent means is LEAST robust when
A)the population is highly skewed.
B)the population is normal.
C)there are more than 30 participants.
D)the population variance is small.

Question

Quizplus · Accepted Answer

The t-test for dependent means is least robust when the population from which the samples are drawn is highly skewed. This is because the t-test assumes that the differences between paired observations are normally distributed, and significant skewness in the population can violate this assumption, potentially leading to inaccurate results.

The T Test for Dependent Means Is LEAST Robust When