Regression Calculations {Reg Mode) - Casio fx-100W User Manual

* Example : Using the A'-data values input in the example
on page 20, determine the normalized variate (--•<> for
x
™ 53 and normal probability distribution P(/}.
. ... 53 © @1CD
{ ■->()
O
1-0,284747398 [
: @ ® CD
(P<} -0.28 CD
O [
(5738974 j
IS Regression Calculations (REG Mode)
• Press @ SEta enter the REG mode and then se¬
lect one of the following regression types;
□D: Linear regression
CD: Logarithmic regression
, CD : Exponential regression
OEjGO:
Power regression
® CD: Inverse regression
■
® S3:• Quadratic regression
• Data input always starts with fed? lM) O to clear statisti¬
cal memory.
• The values produced by a regression calculation depend
on the values input, and results can be recalled using
the key operations shown in the table below
.©
0D
Zx2 .wvi"
m
nn
Zx
© CD
. v'.:::..'
© QT)
n
s&
VOK
©□D
©.
6*3
ya*.i .-
©
m
Zy
[ A]
Regression coefficient A
© E
Zxy
©
Gl)
Regression coefficient B
© ®
Zx3
@
GD
Regression coefficient C
©
®.
Z^y
@ [D
Correlation coefficient
r
©
El
' Zr4
@ GO
X
■ @ 'E
X;\\
sea
■ •'
y :- •
[sHiFT^' [3ixr«|
• Linear Regression
The regression formula for linear regression is:
y=
A 4-
Qx.
•21 ♦