Casio FX-7400G User Manual page 110

Statistical Graphs and Calculations
The following are the meanings of the above parameters.
a ......
b ......
c ......
k k k k k Logarithmic Regression Graph
Logarithmic regression expresses
P.99
logarithmic regression formula is
(G-Type)
formula corresponds to linear regression formula
The following are the meanings of the above parameters.
a ......
b ......
r ......
k k k k k Exponential Regression Graph
P.99 Exponential regression expresses
(G-Type) The standard exponential regression formula is
rithms of both sides we get log
formula corresponds to linear regression formula Y =
4(DRAW)
Regression second coefficient
Regression first coefficient
Regression constant term (intercept)
[1(Log)
4(DRAW)
Regression constant term (intercept)
Regression coefficient (slope)
Correlation coefficient
y
y
as a logarithmic function of
y a b x
= + $ log , so if we say that X = log
y
=
y
as a proportion of the exponential function of
y
=
a bx
= log + . Next, if we say Y = log
Chapter 7
x
. The standard
a b
+ X.
1 2 3
a $ e bx
, so if we take the loga-
y a
, and = log
a bx
+ .
x
, the
4
x
.
a
, the
107