Researcher Studied the Relationship Between Family Income and Amount of Money

Multiple Choice

researcher studied the relationship between family income and amount of money spent on an
Automobile. She calculated that $R ^ { 2 } = 45 \%$
Which is the correct interpretaion?

A) 45% of the price of the car can be predicted by using income.
B) 45% of the variability in car price can be explained by using income.
C) The car price fluctuates 45% more than income.
D) The probability of predicting the correct price of a car is 45%.
E) None of these