Which of the Following Is True When Testing for Normality

Multiple Choice

Which of the following is true when testing for normality of errors?

A) Normality is verified by inspecting for a bell-shaped distribution.
B) It is easier to evaluate normality with small sample sizes.
C) A scatter diagram of the whole data is always used to verify normality.
D) Errors are normally distributed when the scatter diagram shows a straight-line distribution.