Casio CFX-9850G PLUS, User'S Manual & Technical Reference

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272
k k
k k k
Estimated Value Calculation ( , )
After drawing a regression graph with the STAT Mode , you can use the RUN
Mode
to calculate estimated values for the regression graph's
x
and
y
parameters.
• Note that you cannot obtain estimated values for a Med-Med, quadratic
regression, cubic regression, quartic regression, sine regression, or logistic
regression graph.
Example To perform power regression using the
nearby data and estimate the values of
and when
xi
= 40 and
yi
= 1000
1. In the Main Menu, select the
STAT
icon and enter the STAT Mode.
2. Input data into the list and draw the power regression graph*.
3. In the Main Menu, select the
RUN
icon and enter the RUN Mode.
4. Press the keys as follows.
ea
(value of
xi
)
K 5
(STAT)
2
( )
w
The estimated value is displayed for
xi
= 40.
baaa
(value of
yi
)
1
( )
w
The estimated value is displayed for
yi
= 1000.
1
(GRPH)
6
(SET)
c
1
(Scat)
c
1
(List1)
c
2
(List2)
c
1
(1)
c
1
( )
J
!Z1
(Auto)
J1
(GRPH)
1
(GPH1)
6
(
g
)
3
(Pwr)
6
(DRAW)
18 - 5
Performing Statistical Calculations
*
(Graph Type)
(Scatter)
(XList)
(YList)
(Frequency)
(Mark Type)
(Auto)
(Pwr)
xi yi
28 2410
30 3033
33 3895
35 4491
38 5717