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Q: Statistics ( No Answer,   1 Comment )
Subject: Statistics
Category: Reference, Education and News > Homework Help
Asked by: nilegarritson-ga
List Price: $2.00
Posted: 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?
There is no answer at this time.

Subject: Re: Statistics
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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