ASQ
CQE · Question #131
Given the data below, what is the 90% confidence interval for the variance? 22, 23, 19, 17, 29, 25
The correct answer is C. 8.27 - 79.88. See the full explanation below for the reasoning.
Statistical Tools and Techniques
Question
Given the data below, what is the 90% confidence interval for the variance? 22, 23, 19, 17, 29, 25
Options
- A4.21 - 99.07
- B15.32 - 28.66
- C8.27 - 79.88
- D16.87 - 56.52
How the community answered
(43 responses)- A7% (3)
- B5% (2)
- C77% (33)
- D12% (5)
Topics
#confidence interval#variance#chi-square distribution#interval estimation
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