- CFA Exams
- CFA Exam: Level I 2021
- Study Session 2. Quantitative Methods (1)
- Reading 7. Statistical Concepts and Market Returns
- Subject 9. Symmetry and Skewness in Return Distributions

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**CFA Practice Question**

In a frequency distribution of 250 scores, the mean is reported as 78 and the median as 65. One would expect this distribution to be ______.

B. negatively skewed

C. symmetrical but not rectangular or normal

D. normal

E. rectangular

A. positively skewed

B. negatively skewed

C. symmetrical but not rectangular or normal

D. normal

E. rectangular

Correct Answer: A

In a positively skewed distribution the mean is greater than the median, while in a negatively skewed distribution the mean is less than the median. In a symmetrical distribution the mean is equal to the median.

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