One indication that a population is not normally distributed is when
A)a small sample drawn from the population is positively skewed.
B)two variables are measured at the same time.
C)a scale or index is used for the measured variable.
D)a ceiling or floor effect is present in a large sample.

Question

Quizplus · Accepted Answer

A ceiling or floor effect in a large sample suggests that many data points are clustered at the high or low end, indicating a lack of normal distribution.

One Indication That a Population Is Not Normally Distributed Is