Confidence Interval problem. Which of the following will result in a wider confidence interval? Check all that apply. Larger sample size, Higher level of confidence, Larger population standard deviation, Larger population mean, Larger sample mean

kennadiceKesezt

kennadiceKesezt

Answered question

2022-09-21

Confidence Interval problem
Which of the following will result in a wider confidence interval?
Larger sample size
Higher level of confidence
Larger population standard deviation
Larger population mean
Larger sample mean
So after running some numbers, I believe 2,3, and 4 are correct because they appeared to work however apparently that's incorrect. Could anyone please help me?

Answer & Explanation

gerasseltd9

gerasseltd9

Beginner2022-09-22Added 8 answers

Explanation:
Pr { X ¯ Φ 1 ( 1 α / 2 ) σ n μ X ¯ + Φ 1 ( 1 α / 2 ) σ n } = 1 α .

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