Periodically, a sample of 20 items are randomly selected from a population that is normally distributed, the average is computed, and plotted. Which of the following statements is correct?

The correct answer is B. II only. See the full explanation below for the reasoning.

Statistical Tools and Techniques

Question

Options

AI only
BII only
CI and II only
DI and III only
IThe average of the logarithms of the values is lognormally distributed.

How the community answered

(36 responses)

A
3% (1)
B
75% (27)
C
6% (2)
D
14% (5)
I
3% (1)

Topics

#sampling distribution#central limit theorem#normal distribution#lognormal distribution

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