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Use quadratic regression to find the equation of a quadratic function that fits the given points.


x 0 1 2 3

y 29 42 62 38

Sagot :

Fichohidn

Answer:

y = 26.45 + 32.45x - 9.25x

Step-by-step explanation:

Given the data:

X : _____ 0 _____ 1 ______2 _______ 3

Y : _____29 ____42 _____62 ______ 38

The quadratic regression model has the general equation :

y=A+Bx+Cx2

Fitting the data using a quadratic regression calculator, the equation of best fit obtained is ;

y = 26.45 + 32.45x - 9.25x

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