- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 7. Estimation and Inference
- Subject 1. Sampling Methods
CFA Practice Question
Which of the following is not a valid reason for selecting a sample instead of studying the whole population?
A. Costs of studying an entire population can be too high or study of the population can be too time-consuming.
B. Sample results have more accuracy than population results.
C. A population can be destroyed in the process of studying it.
Explanation: Sample results cannot be more accurate, since they are based on a subset of the population.
User Contributed Comments 2
| User | Comment |
|---|---|
| cong | population can be destroyed? |
| edrei7 | Population data. When there is more data to handle, the higher the risk of losing data. |