CFA Institute Exam CFA-Level-I Topic 3 Question 14 Discussion

Actual exam question for CFA Institute's CFA-Level-I exam

Question #: 14
Topic #: 3

A sample of size 600 is drawn from a population. The sample mean equals 329. The total width of the 99% confidence interval for the population mean is 893. The estimated population variance equals ________.

A6.7

B4.9

C6.3

D7.3

Show Suggested Answer

Suggested Answer: D

by Cathern at Mar 19, 2025, 06:11 AM

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Letha

6 days ago

Okay, let's see... Confidence interval, sample size, and sample mean. I got this!

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Tamesha

7 days ago

Hmm, this looks like a tricky one. Time to put on my thinking cap and crunch some numbers!

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Mona

14 days ago

Well, I used the formula for confidence interval width and got 1786, so I'm sticking with that.

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Xochitl

20 days ago

I disagree, I calculated it to be 4465.

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Mona

22 days ago

I think the estimated population variance is 1786.

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