# Thread: Stats - College level

1. ## Stats - College level

I figured out how to calculate a. b. and c. however, I don't know how to interpret the coefficient of determination(the second part of c). Can anyone help? Thanks in advance.

2. Originally Posted by LeftBrainer
I figured out how to calculate a. b. and c. however, I don't know how to interpret the coefficient of determination(the second part of c). Can anyone help? Thanks in advance.

$\displaystyle r^2$ gives the variation of $\displaystyle Y$ explained by the linear regression model. So in 1c, $\displaystyle 7 \%$ of the variation in the net worth is explained by the linear regression model. Similarly, in 2c, $\displaystyle 57.76 \%$ of the variation in the salary is explained by the linear regression model.

3. are you supposed to be getting help on this quiz?

4. Thanks, this is exactly what I needed to know: gives the variation of explained by the linear regression model. Something close to this was in my notes but I couldn't get my brain around it.