Margot is studying the yield of bushels of wheat in comparison to the amount of rainfall, in inches, that occurs. She finds the linear regression equation to be y = 47.3 +0.78x.
If an additional 1 inch of rain fell, how many MORE bushels of wheat would be yielded?
A) 0.78
B) 47.3
C) 48.08
D) 60.64