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Asked by: nilegarritson-ga
List Price: $2.00
23 Mar 2006 18:51 PST
Expires: 22 Apr 2006 19:51 PDT
Question ID: 711330
I'm studying for a CFA exams right now. One of the study sessions is about statistics. The term "ordinary least squares" is discussed in the context of using ordinary least squares to estimate a regression equation. What are ordinary least squares and how are they used to estimate regressions?
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From: freecomments-ga on 24 Mar 2006 05:12 PST
Hey there: This, again, is a question that the CFA cannot ask you. The term "ordinary least squares" is just a pretentious way of saying "regression." Regression, in the most general "plain vanilla" sense is derived by minimizing the "sum of squared errors" of a fitted line. This minimization is essentially minimizing "variance." It is not something you will ever be asked to do on a CFA exam.
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