Casio fx-CG10 Advanced Operation Manual page 59

Chapter 1: Polynomial Functions
Sample Solution—Trends in Nightly Rates for Hotels (continued)
To perform a cubic regression:
From the scatterplot, press
x in a cubic equation is of degree 3, and for this reason, we press x
perform a cubic regression.
Press
the scatterplot.
Baltimore, MD
Charlotte, NC
Milwaukee, WI
(DRAW) to draw the regression equation on the same axes as
(CALC), then press
3
(x ). The variable
3
to