- CFA Exams
- CFA Level I Exam
- Study Session 2. Quantitative Methods (1)
- Reading 6. Time-Series Analysis
- Subject 1. Trend Models

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**CFA Practice Question**

For the linear trend equation Y-hat = a + bt, which symbol represents the average change in the dependent variable for each unit change in time?

A. b

B. t

C. Y^

**Explanation:**The slope of the line, that is b, indicates the rate of change from one period to another.

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