Casio CFX-9970G User Manual page 291

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
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.
The estimated value
The estimated value
*
1(GRPH)6(SET)c
(Graph Type)
1(Scat)c
(Scatter)
1(List1)c
(XList)
2(List2)c
(YList)
1(1)c
(Frequency)
1( )J
(Mark Type)
!Z1(Auto)J1(GRPH)1(GPH1)6(g)
(Auto)
3(Pwr)6(DRAW)
(Pwr)
• Note that you cannot obtain estimated value for a Med-Med, quadratic
regression, cubic regression, quartic regression, or sine regression graph.
Example To perform power regression using the
nearby data and estimate the values of
and
ea(value of
K5(STAT)2( )w
baaa(value of
1( )w
Performing Statistical Calculations
xi yi
when = 40 and
xi
)
xi
is displayed for = 40.
yi
)
yi
is displayed for = 1000.
x
and
= 1000
18 - 5
y
parameters.
xi yi
28 2410
30 3033
33 3895
35 4491
38 5717
271