ASQ
CSSBB · Question #200
A population is bimodal with a variance of 5.77. One hundred samples of size 30 are randomly collected and the 100 sample means are calculated. The standard deviation of these sample means is…
The correct answer is E. 0.19. See the full explanation below for the reasoning.
Measure Phase
Question
A population is bimodal with a variance of 5.77. One hundred samples of size 30 are randomly collected and the 100 sample means are calculated. The standard deviation of these sample means is approximately:
Options
- A5.77
- B2.40
- C1.05
- D0.44
- E0.19
How the community answered
(40 responses)- A3% (1)
- B13% (5)
- C3% (1)
- D5% (2)
- E78% (31)
Topics
#standard error#sampling distribution#central limit theorem#variance
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