With _________ cases the t-test is said to be fairly robust against the violation of normal distribution.
A) less than 15
B) less than 40
C) 40 or more
D) 100 or more

Question

Quizplus · Accepted Answer

With 40 or more cases, the central limit theorem states that the distribution of sample means tends to approach a normal distribution, even if the underlying population is not normally distributed. This makes the t-test robust against violations of normality assumptions.

With _________ Cases the T-Test Is Said to Be Fairly