For which of the following situations would the Rule for Sample Means not apply?
A) A random sample of size 20 is drawn from a skewed population.
B) A random sample of size 50 is drawn from a skewed population.
C) A random sample of size 20 is drawn from a bell-shaped population.
D) A random sample of size 50 is drawn from a bell-shaped population.

Question

Quizplus · Accepted Answer

The Rule for Sample Means (Central Limit Theorem) typically applies when the sample size is 30 or more, regardless of the population distribution shape, or when the population is normally distributed for any sample size. For a skewed population, a sample size of 20 may not be sufficient to apply the rule, making option A correct.

For Which of the Following Situations Would the Rule for Sample