Casio fx-7400G Manual page 10

Statistical Graphs and Calculations
1 (Log) ........ Logarithmic regression graph
2 (Exp) ........ Exponential regression graph
3 (Pwr) ........ Power regression graph
4 (2VAR) ..... Paired-variable statistical results
Press [ to return to the previous menu.
k k k k k Displaying Statistical Calculation Results
Whenever you perform a regression calculation, the regression formula parameter
a
(such as
display. You can use these to obtain statistical calculation results.
Regression parameters are calculated as soon as you press a function key to select
a regression type while a graph is on the display.
Example
k k k k k Graphing statistical calculation results
You can use the parameter calculation result menu to graph the displayed regres-
sion formula.
P.110 3 (COPY) .... Stores the displayed regression formula as a graph function
4 (DRAW).... Graphs the displayed regression formula
[
b
and in the linear regression
To display logarithmic regression parameter calculation results
while a scatter diagram is on the display
[1(Log)
1
y ax b
= + ) calculation results appear on the
1
Chapter 7
4 [
2 3
2 3 4
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