1. Which of the following states that the sampling distribution of the sample
means approaches a normal distribution as the sample size gets larger?
A Sampling Distribution Theorem
C. Limit Theorem
B. Semple Mean Theorem
D. Central Limit Theorem

2. How large is the minimum sample size needed of a certain population in
order to obtain a close approximation of a normal distribution?
A 50
C. 30
B. 30
D. 60

3. What happens to the sampling distribution of the mean when a population
is already normally distributed?
A. skewed to the left
C. normal
B. skewed to the right
D. Cannot be determined
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