For Families Who Live in Apartments the Correlation Between the Family's

Multiple Choice

For families who live in apartments the correlation between the family's income and the amount of rent they pay is r = 0.60.Which is true?
I.In general, families with higher incomes pay more in rent.
II.On average, families spend 60% of their income on rent.
III.The regression line passes through 60% of the (income$, rent$) data points.

A) I only
B) II only
C) I and II
D) I and III
E) I, II and III