Casio fx9750G User Manual page 282

18 - 4
Calculating and Graphing Paired-Variable Statistical Data
The following are the meanings of the above parameters.
k k k k k Power Regression Graph
Exponential regression expresses
P.290
power regression formula is
get log
formula corresponds to linear regression formula Y =
The following are the meanings of the above parameters.
6(DRAW)
a ...... Regression coefficient
b ...... Regression constant term
r ......
Correlation coefficient
× log
y a b x
= log +
6(g)3(Pwr)
6(DRAW)
a ......
Regression coefficient
b ...... Regression power
r ...... Correlation coefficient
y as a proportion of the power of
×
b
y a x
= , so if we take the logarithms of both sides we
. Next, if we say X = log
x . The standard
x y a
, Y = log , and = log
a b
+ X.
1 2 3 4 5
a
, the
6
300