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