Exercise
ABy Admin
May 26'23
Answer
Key: B
TSS= (Residual Sum of Squares) / (1 − R2) = 230 / (1 − 0.64) = 638.89
Copyright 2023. The Society of Actuaries, Schaumburg, Illinois. Reproduced with permission.
For a simple linear regression model the sum of squares of the residuals is
and the [math]R^2[/math] statistic is 0.64.
Calculate the total sum of squares (TSS) for this model.
Copyright 2023. The Society of Actuaries, Schaumburg, Illinois. Reproduced with permission.
Key: B
TSS= (Residual Sum of Squares) / (1 − R2) = 230 / (1 − 0.64) = 638.89
Copyright 2023. The Society of Actuaries, Schaumburg, Illinois. Reproduced with permission.