Homework SourseUsing the regression relationship to make a prediction where
Using the regression relationship to make a prediction where x falls outside the range of the actual data is called
prediction error
If a residual is large and negative, what does it mean?
| estimation. |
Solution
1) extrapolation
2)residual = y - y-hat
if residual is negative, this means that actual response is less than predicted value.
| The actual value of the response variable is significantly less than what would be predicted by the regression equation. |
