Casio CFX9850GBPLUS User Manual page 306

k Estimated Value Calculation ( , )
After drawing a regression graph with the STAT mode, you can use the RUN
calculate estimated values for the regression graph's
Example To perform a linear regression using the nearby data
and estimate the values of
yi
1. From the Main Menu, enter the STAT mode.
2. Input data into the list and draw the linear regression graph.
3. From the Main Menu, enter the RUN
4. Press the keys as follows.
ca (value of
K 5 (STAT)2 (
The estimated value
baaa (value of
ˆ x
1 (
)w
The estimated value
# You cannot obtain estimated values for a Med-
Med, quadratic regression, cubic regression,
6-4-6
Performing Statistical Calculations
= 1000
xi
)
ŷ
)w
ŷ xi
is displayed for
yi
)
ˆ x yi
is displayed for
x y
and parameters.
ŷ ̂ x xi
and when = 20 and
MAT mode.
•
= 20.
= 1000.
quartic regression, sinusoidal regression, or
logistic regression graph.
20070201
MAT mode to
•
xi yi
10 1003
15 1005
20 1010
25 1011
30 1014