Power Regression Graph - Casio FX-7400G PLUS User Manual

Statistical Graphs and Calculations
The following are the meanings of the above parameters.
a ......
b ......
r ......
k k k k k Power Regression Graph
P.106
Exponential regression expresses
power regression formula is
y
get log
formula corresponds to linear regression formula Y = A +
The following are the meanings of the above parameters.
a ......
b ......
r ......
4(DRAW)
Regression coefficient
Regression constant term
Correlation coefficient
y
a b × log x
= log + . Next, if we say X = log
[3(Pwr)
4(DRAW)
Regression coefficient
Regression power
Correlation coefficient
y
as a proportion of the power of
a × x
= b , so if we take the logarithms of both sides we
Chapter 7
x
. The standard
x y
, Y = log , and A = log
b
X.
1 2 3
a
, the
4
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