CFA Practice Question

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CFA Practice Question

A sample of 10 observations is drawn from a population with mean 17. The mean of the observations equals 14.3 and the sample standard deviation equals 4.8. The sampling error in mean equals ______.

A. 4.8
B. 9.6
C. -2.7
Correct Answer: C

"Sampling error" refers to the difference between a sample statistic and the corresponding population parameter. In this case, the sampling error equals 14.3 - 17 = -2.7.

User Contributed Comments 2

User Comment
Gooner7 sample SD is an irrelevant details. I was told that CFAI loves dropping irrelevant details
johntan1979 Just like the market... lots of information everywhere, many irrelevant.
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