Use a graphing calculator or other technology to answer the question. Which quadratic regression equation best fits the data set? Possible answers:
yˆ=56.104x2+6.849x+0.383
yˆ=0.383x2+6.849x+56.104
yˆ=0.383x2−6.849x+56.104
yˆ=0.302x2−6.849x+112.945
Data table:
x y
2 45
5 31
7 28
8 20
11 32
15 41
16 42