Prof. Shoag regresses your Metrics midterm score on your Stats score. Your positive residual means:
A. Your Metrics score is the average score of the whole class.
B. Stats scores are poor predictors of Metrics scores.
C. You scored lower on this test than last semester's score would have predicted.
D. You scored higher on this test than last semester's score would have predicted.
Answer: D. You scored higher on this test than last semester's score would have predicted.