Page 41 - FINAL CFA II SLIDES JUNE 2019 DAY 3
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LOS 8.a: Formulate a multiple regression equation to describe the relation READING 9: TIME SERIES ANALYSIS
between a dependent variable and several independent variables and
determine the statistical significance of each independent variable.
Answer: the estimated intercept and slope parameters are:
The prediction equation:
st
Capacity utilization (first 1 Q 2013) predicted to be 81.914:
Note that: Result ≠ actual (82.4). Why?
Difference is the error (residual term) associated with that observation:
Error term can be:
• + or
• –ve
depending on the quantum of actual versus predicted!