- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 5. Sampling and Estimation
- Subject 4. Point Estimates of the Population Mean

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**CFA Practice Question**

An unbiased estimator is ______.

B. an estimator whose expected value is less than the parameter it is intended to estimate

C. a consistent and efficient estimator

A. an estimator whose expected value equals the parameter it is intended to estimate

B. an estimator whose expected value is less than the parameter it is intended to estimate

C. a consistent and efficient estimator

Correct Answer: A

An unbiased estimator is an estimator whose expected value equals the parameter it is intended to estimate.

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