Find the Coefficient of Correlation of the Line That Best $\{ ( 3,3 ) , ( 5,4 ) , ( 7,6 ) \}$

Multiple Choice

Find the coefficient of correlation of the line that best fits the data set. $\{ ( 3,3 ) , ( 5,4 ) , ( 7,6 ) \}$

A) $r = 0.9820$
B) $r = - 0.9820$
C) $r = - 0.7856$
D) $r = 0.3641$
E) $r = 0.7856$