Casio FX-9860GII-L-IH User Guide - Page 291
Selecting the Regression Type, Displaying Regression Calculation Results, Graphing Statistical
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6-3-5 Calculating and Graphing Paired-Variable Statistical Data k Selecting the Regression Type After you graph paired-variable statistical data, press 1(CALC). Then you can use the function menu at the bottom of the display to select from a variety of different types of regression. • {2VAR} ... {paired-variable statistical results} • {X}/{Med}/{X^2}/{X^3}/{X^4}/{Log}/{Exp}/{Pwr}/{Sin}/{Lgst} ... {linear regression}/{Med-Med}/{quadratic regression}/{cubic regression}/{quartic regression}/{logarithmic regression}/{exponential regression}/{power regression}/ {sinusoidal regression}/{logistic regression} calculation and graphing k Displaying Regression Calculation Results Whenever you perform a regression calculation, the regression formula parameter (such as a and b in the linear regression y = ax + b) calculation results appear on the display. You can use these to obtain statistical calculation results. Regression parameters are calculated as soon as you press a function key to select a regression type, while a graph is on the display. k Graphing Statistical Calculation Results While the parameter calculation result is on the display, you can graph the displayed regression formula by pressing 6(DRAW). 20050401