What feature is labeled as “C”?

What vessel is labeled as “I”?

What is considered the left border of the heart?

6. (10 points). What is the condition number of X’X?

7. (5 points). Is there a problem with multicollinearity in these data?

5. (8 points). Now suppose that the analyst decides to remove 2 regressors from the original model because their T statistics are small, indicating that they are not significant variables in this model. In this new model, the error sum of squares is now 225.   What is the value of the adjusted R2  for this new model?

26. Ridge regression is a type of generalized regression procedure. 

20. If  Cp > p, there is a good chance that not all of the important regressors are in the current model.

1. (8 points). Can you conclude that the model is significant?

8. (5 points). How many near-linear dependencies are there in the regressors?