- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 7. Estimation and Inference
- Subject 1. Sampling Methods
CFA Practice Question
A survey asked 2,000 U.S. citizens whether they approved or did not approve of the work accomplished by the President. Seventy-two percent of the sampled citizens approved. What's the sample, and what's the statistic involved in this study?
B. responses of the 2,000 surveyed citizens; 72% of the 2,000 surveyed approve
C. responses of all citizens; 72% of the 2,000 surveyed citizens approve
A. responses of the 2,000 surveyed citizens; responses of all citizens
B. responses of the 2,000 surveyed citizens; 72% of the 2,000 surveyed approve
C. responses of all citizens; 72% of the 2,000 surveyed citizens approve
Correct Answer: B
User Contributed Comments 5
| User | Comment |
|---|---|
| Bibhu | The difference between Q.1 and this one- population vs statistics. |
| childpsych1 | B is right answer becase sample is 2000 citzens selected for the survey out of which 72% responded which is a statistic = meaning = percentage of the sample |
| jwebbs | this one is a toughie |
| 8thlegend | Out of 2000 people, 72% would agree that they do not agree with what the president is doing right now. |
| 2014 | Sample everybody know; the amount of people surveyed, viewed to represent population. Statistics: Since, statistics means analysis & interpretation. The interpretation is 72% ...... |