Casio CFX-9800G - Page 105

*The following is the formula the unit uses to draw the normal distribution curve.
4 _beae :
2
Sieve” xan’
.*For range parameter settings, Xmin must be tess than Xmax.
.*The message “done” appears on the display to indicate that drawing of a bar or line
graph is complete.
8-9 Paired-Variable Statistical Graphs
To draw paired-variable statistical graphs, you must-use the REG Mode and the statisti-
cal graph DRAW Mode. The unit draws graphs using data you input.
ES(SET) (or SAW) PREG LN
| EACOSERFFUR |
© 2 8 &
The following are the types of operations that can be selected from the function menu
at the bottom of the display. Press the function key below the operation you want to perform.
EQ(LIN) ... . Liriear regression line drawing (LIN Mode).
(LOG) . . Logarithmic regression curve drawing (LOG Mode).
“"EB(EXP) . Exponential regression curve drawing (EXP Mode).
fQ(PWR) . Power regression curve drawing (PWR Mode).
O@norw peesrerh rr |
QOHUREC) | aEE=beon|
(ti)
Make sure that you Specify rectangular coordinates (REC) as the graph type (G-type)
for this type of-graph.
To draw a paired-variable graph
To draw a graph of the following data:
xt yi
-9 -2
-5 =
~3 2
1 3
4 5
7 8
First,
specify
the
range
parameters
as
shown
right:
Now clear the statistical memory.
GaF) Gin) F2] (Sc!) EB)
Input
the
data.
For
full
details
on
the
techniques
you
can
use
to
input
statistical
data,
see
page
104.
:
'
FA, F3)
OMFS): BE 0T)
OBIE (> EME (PT)
OBE) )2IE(0T)
3)( +) )EN(DT)
5 ) 07)
MES )EOTy
Now draw the graph.
Geol) BHF) Fa) (LIN) Be)