Use Correlation Coefficients to Determine Which of the Given Sets $\{ ( 2,6 ) , ( - 4,18 ) , ( 4,2 ) \}$

Multiple Choice

Use correlation coefficients to determine which of the given sets of data is worst fit by its associated regression line.
a) $\{ ( 2,6 ) , ( - 4,18 ) , ( 4,2 ) \}$
b) $\{ ( 0,1 ) , ( 1,0 ) , ( 2,1 ) \}$
c) $\{ ( 0,0 ) , ( 5 , - 5 ) , ( 2 , - 2.2 ) \}$

A) a
B) b and c
C) c
D) a and b
E) b