Question

Fit a parabola to the following data:
Year: 1978 1979 1980 1981 1982
1983
Prices
100
107
128
110
181
199​

Answer 1

Given :  Year: 1978 1979 1980 1981 1982  1983  

Prices  100  107  128  110  181  199​

To Find : Fit a parabola

Solution:

Year:            Prices

1978              100

1979              107

1980             128    

1981               110

1982               181

1983              199

plot the points

and us graphing calculator to draw 2nd degree polynomial

y = 4.553x2 - 18017x + 2E+07

R² = 0.875

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