ASQ
CSSBB · Question #215
Samples of size n=36 are randomly selected from a population with mean = 125 and variance 12. Find the variance of the distribution of sample means.
The correct answer is A. .333. See the full explanation below for the reasoning.
Measure Phase
Question
Samples of size n=36 are randomly selected from a population with mean = 125 and variance 12. Find the variance of the distribution of sample means.
Options
- A.333
- B.577
- C2
- D3.464
- E12
How the community answered
(39 responses)- A85% (33)
- B3% (1)
- C3% (1)
- D3% (1)
- E8% (3)
Topics
#sampling distribution#variance of sample means#central limit theorem#standard error
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