A Regression Analysis of Company Profits and the Amount of Money

Multiple Choice

A regression analysis of company profits and the amount of money the company spent on advertising produced a R² = 0.72.Which of these is true?
I.This model can correctly predict the profit for 72% of companies.
II.72% of the variance in company profit can be accounted for by the model.
III.On average, companies spend about 72% of their profits on advertising.

A) None
B) I only
C) II only
D) III only
E) I and III