The table shows data from local day-care centers, representing the number of children in attendance (x) and daily food costs in dollars ().
х
у
x2
ху
16
45
256
720
22
58
484
1,276
28
73
784
2,044
32
94
1,024
3,008
45
141
2,525
6,345
Ex=143 Σy=411 x2=4,573 Sxy=13,393
Which regression equation correctly models the data?
O y = 2.87x + 0.12
y = 2.87x + 11.85
O y = 3.39x - 14.75