Output predicts GPA from study time.
Which is the best one-sentence summary?
- Acheck_circle
Each extra hour of weekly study is associated with a predicted GPA increase of 0.12; ~41% of GPA variation is explained linearly
- B
Correlation is 1.0
- C
GPA equals 1.8 always
- D
Studying causes GPA to rise by 0.12 per hour
Explanation
Slope quantifies the predicted change; r-squared describes the proportion of variability explained. Causation is not implied.