18 - 5
Performing Statistical Calculations
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
*
(Graph Type)
1(GRPH)6(SET)c
(Scatter)
1(Scat)c
(XList)
1(List1)c
(YList)
2(List2)c
(Frequency)
1(1)c
(Mark Type)
1( )J
(Auto)
!Z1(Auto)J1(GRPH)1(GPH1)6(g)
(Pwr)
3(Pwr)6(DRAW)
272
• 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
ea(value of
K5(STAT)2( )w
baaa(value of
1( )w
xi
yi
when
= 40 and
xi
)
xi
is displayed for
= 40.
yi
)
yi
is displayed for
= 1000.
x
and
= 1000
y
parameters.
xi
yi
28
2410
30
3033
33
3895
35
4491
38
5717