A population is usually NOT normally distributed if:
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)there is a strong ceiling or floor effect

Question

Quizplus · Accepted Answer

If there is a strong ceiling or floor effect, it means that a significant portion of the population will fall at either extreme end of the scale, resulting in a non-normal distribution.

A Population Is Usually NOT Normally Distributed If