- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 7. Estimation and Inference
- Subject 1. Sampling Methods
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 ______.
B. 9.6
C. -2.7
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. |