- CFA Exams
- CFA Level I Exam
- Topic 1. Quantitative Methods
- Learning Module 5. Time-Series Analysis
- Subject 1. Trend Models
CFA Practice Question
A linear trend for time series data beginning in 2006 and extending up through 2011 (data for 6 years) is Y-hat = 5.2 + 3.1t. The forecast for 2012 is
B. 26.9
C. 30.0
A. 23.8
B. 26.9
C. 30.0
Correct Answer: B
To find the forecast Y-hat = 5.2 + 3.1(7) = 26.9.
User Contributed Comments 3
User | Comment |
---|---|
vi2009 | got tricked! forecast for 2012 ... so t = 7 |
jazzguitar | I don't understand why t = 7. 2006 = 0 2007 = 1 2008 = 2 2009 = 3 2010 = 4 2011 = 5 2012 = 6 ? |
myron | @jazzguitar: 2006 is year 1. |