| Multiple Regression |
Summary of Fit
The Summary of Fit table contains summary statistics including Root MSE and R-Square. The Root MSE value is 0.6998 and is the square root of the mean square error given in the Analysis of Variance table. Root MSE is an estimate of 
in the preceding regression model.
The R-Square value is 0.2046, which means that 20% of the variation in GPA scores is explained by the fitted model. The Summary of Fit table also contains an adjusted R-square value, Adj R-Sq. Because Adj R-Sq is adjusted for the number of parameters in the model, it is more comparable over models involving different numbers of parameters than R-Square.
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