Find the Coefficient of Correlation of the Line That Best $\{ ( 0,0 ) , ( 4,15 ) , ( 7,18 ) \}$

Multiple Choice

Find the coefficient of correlation of the line that best fits the data set. $\{ ( 0,0 ) , ( 4,15 ) , ( 7,18 ) \}$

A) $r = - 0.2879$
B) $r = 0.9596$
C) $r = 0.2879$
D) $r = - 0.9596$
E) $r = 0.6238$