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CQE · Question #118
CQE Question #118: Real Exam Question with Answer & Explanation
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Question
Given the data below is normally distributed, and the population standard deviation is 3.1, what is the 90% confidence interval for the mean? 22, 23, 19, 17, 29, 25
Options
- A20.88 - 24.12
- B20.42 - 24.59
- C21.65 - 23.35
- D17.4 - 27.6
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