- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 2. Organizing, Visualizing, and Describing Data
- Subject 8. Measures of Dispersion

###
**CFA Practice Question**

The standard deviation of a group of scores is 10. If 5 were subtracted from each score, the standard deviation of the new scores would be ______.

B. 5

C. 10

A. 2

B. 5

C. 10

Correct Answer: C

###
**User Contributed Comments**
2

User |
Comment |
---|---|

cbb1 |
If all scores are reduced by 5, the median number would be lower by 5, but the degree of variability measured by standard deviation is unchanged. |

chipster |
thx!! |