Seeing is believing!

Before you order, simply sign up for a free user account and in seconds you'll be experiencing the best in CFA exam preparation.

Basic Question 1 of 12

From March 1981 to February 1983, the number of burglaries committed each month in a Georgia town was recorded. These are given in the chart below. Between months 12 and 13, a law requiring citizens to own a gun was enacted. Town officials felt that this law might decrease the number of burglaries by acting to deter criminals.

The mean number of burglaries for months 13 to 24 (i.e., those months after the law was enacted), is ______.

A. 2.83
B. 3.38
C. 2.5

User Contributed Comments 2

User Comment
2014 24 - 13 = 11+ 1 = 12 short for number of observations
Antoinepo Start off by reading the question!
You need to log in first to add your comment.
I passed! I did not get a chance to tell you before the exam - but your site was excellent. I will definitely take it next year for Level II.
Tamara Schultz

Tamara Schultz

Learning Outcome Statements

calculate and interpret different approaches to return measurement over time and describe their appropriate uses;

CFA® 2025 Level I Curriculum, Volume 1, Module 1.