Find the line of best fit for the set of data:
x y
2 2.9
3.5 2
-1.4 4.8
4.2 1.5
0 4
-2.8 6
1.5 3.5
A: y = .613x + 4.142
B: y = -.613x - 4.142
C: y = -.613x + 4.142
D: y = .613x - 4.142
