Sharp el-9950

162
Chapter 8: Statistics & Regression Calculations
5. Regression Calculations
1. Press
S
D REG.
TheRegressionmenuisdisplayed.
01 Med_Med Med_Med (list name for x, list name for y [, frequency list] [,
equation name to store])
Findstheregressionlineusingthemedian-medianmethod.(linear
regression)
Formula:y=ax
+
b
Parameters:a,b
02 Rg_ax+b Rg_ax+b (list name for x, list name for y [, frequency list] [,
equation name to store])
Findstheregressionline.(linearregression)
Formula:y=ax
+
b
Parameters:a,b,r,r
2
03 Rg_ax Rg_ax (list name for x, list name for y [, frequency list] [,
equation name to store])
Findstheregressionline.(linearregression)
Formula:y=ax
Parameters:a,r
2
04 Rg_a+bx Rg_a+bx (list name for x, list name for y [, frequency list] [,
equation name to store])
Findstheregressionline.(linearregression)
Formula:y=a
+
bx
Parameters:a,b,r,r
2
05 Rg_x
2
Rg_x
2
(list name for x, list name for y [, frequency list] [,
equation name to store])
Findstheregressionlineusingtheseconddegreepolynomial.
(quadratic regression)
Formula:y=ax
2
+
bx
+
c
Parameters:a,b,c,R
2
Accessing the
regression menu