Use of the chi-square statistic to estimate the population variance is extremely robust to the assumption that the population is normally distributed.

Question

Quizplus · Accepted Answer

The chi-square statistic for estimating population variance is sensitive to the assumption of normality in the underlying population. If the population is not normally distributed, the chi-square test may not be appropriate or reliable.

Use of the Chi-Square Statistic to Estimate the Population Variance