Use the result of Exercise 31 to find the least squares regression quadratic for the given points. Use the regression capabilities of a graphing utility to confirm your results. Use the graphing utility to plot the points and graph the least squares regression quadratic.

(-4, 5), (-2, 6), (2, 6), (4, 2)

Data from in Exercise 31

Find a system of equations whose solution yields the coefficients a, b, and c for the least squares regression quadratic

for the points (x₁, y₁), (x₂, Y₂),..., (x_n, y_n) by minimizing the sum

Transcribed Image Text:

y = ax² + bx + c