Non-Linear Regression - LEXIBOOK SC460 Owner's Manual

Calculating regressions
[SHIFT] [S-SUM] 1
∑x

[SHIFT] [S-SUM] 2
∑x
[SHIFT] [S-SUM] 3
n
[SHIFT] [S-SUM] [ ]1
∑y

[SHIFT] [S-SUM] [ ]2
∑y
[SHIFT] [S-SUM] [ ]3
∑xy
[SHIFT] [S-VAR]1
x
[SHIFT] [S-VAR]2
x n
[SHIFT] [S-VAR]3
X n
-1
[SHIFT] [S-VAR] [ ]1
y
[SHIFT] [S-VAR] [ ]2
y n
[SHIFT] [S-VAR] [ ]3
Y n
-1
[SHIFT] [S-VAR] [ ][ ] 1
A
[SHIFT] [S-VAR] [ ][ ] 2
B
[SHIFT] [S-VAR] [ ][ ] 3
r
^
[SHIFT] [S-VAR]
X
[ ][ ][ ]1
^
[SHIFT] [S-VAR]
Y
[ ][ ][ ]2
70
SC460IM0237.indb 70
Calculates the sum ∑x
squared.
Displays the sum of the data input
∑x.
Indicates the number of samples
entered (n), in other words, the
number of data entered.
Calculates the sum ∑y
squared.
Displays the sum of the data
entered ∑y.
Displays the sum of the data
entered ∑xy.
Displays the average value of x.
Calculates the standard deviation
of the population x.
Calculates the standard deviation
of the sample x.
Displays the average value of y.
Calculates the standard deviation
of the population y.
Calculates the standard deviation
of the sample y.
Calculates the value of the coefficient A.
Calculates the value of the coefficient B.
Calculates the value of the correla-
tion coefficient r (is not displayed
for quadratic regression).
Displays the value of x estimated
by regression for the value of y
entered (is not displayed for
quadratic regression).
Displays the value of y estimated
by regression for the value of x
entered (is not displayed for
quadratic regression).
Copyright © Lexibook 007

of the data
 of the data
20/6/07 15:28:12