Multiple choice questions based on regression.
1. For a multiple regression model, SSR = 600 and SSE = 200. The multiple coefficient of determination is
1. 0.333
2. 0.275
3. 0.300
4. 0.75
2. A variable that takes on the values of 0 or 1 and is used to incorporate the effect of qualitative variables in a regression model is called
1. an interaction
2. a constant variable
3. a dummy variable
4. None of these alternatives is correct