To determine if a set of ungrouped, raw data is normally distributed, what test statistic would we use?
A) z-statistic
B) F-statistic
C) Anderson-Darling
D) Chi-square

Question

Quizplus · Accepted Answer

The Anderson-Darling test is a commonly used test for normality that is more powerful than the Shapiro-Wilk test for small to moderate sample sizes. It assesses how well the data fits a normal distribution by comparing the empirical distribution function of the data to the theoretical normal distribution. If the resulting test statistic is small (i.e., the p-value is large), then there is no evidence to reject the null hypothesis that the data is normally distributed.

To Determine If a Set of Ungrouped, Raw Data Is