# Week 7 Stats - variation. However, just like the tutorial...

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When all three variables are used R squared was indicated that 90.5% of all variation was explained by the 3 variables. However, when you take away X3, the r squared value drops to 89.8%. This would leave us to believe that using the X3 variable is better since it covers more
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Unformatted text preview: variation. However, just like the tutorial explains: when we use X3 we still get a mega stat result that indicated that the equation is a good one. Kathaleen has a great point. The first r squared appears to cover more variation because there are more variables involved....
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## This note was uploaded on 03/26/2012 for the course STATISTIC GM533 taught by Professor Henry during the Fall '10 term at Keller Graduate School of Management.

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