A survey of Statistics undergraduate at Prosperity University completed a survey that asked for their Verbal and Math SAT scores. They wanted to predict the verbal score based on the math score. The value of R-Squared was 12.78%. Interpret R-squared.

A. 12.78% of the variability of verbal score that can be explained by the linear regression on the math score.

B. 12.78% of the variability of math score that can be explained by the linear regression on the verbal score.

C. As the math score increases by 1 point on average, the verbal score increases by 12.78 points.

D. As the verbal score increases by 1 point on average, the math score increases by 12.78 points.