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20070201
6-4-6
Performing Statistical Calculations
# You cannot obtain estimated values for a Med-
Med, quadratic regression, cubic regression,
quartic regression, sinusoidal regression, or
logistic regression graph.
xi
yi
10
1003
15
1005
20
1010
25
1011
30
1014
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
•
MAT
mode.
4. Press the keys as follows.
ca
(value of
xi
)
K
5
(STAT)
2
(
ŷ
)
w
The estimated value
ŷ
is displayed for
xi
= 20.
baaa
(value of
yi
)
1
(
ˆ
x
)
w
The estimated value
ˆ
x
is displayed for
yi
= 1000.
k
Estimated Value Calculation ( , )
After drawing a regression graph with the
STAT
mode, you can use the
RUN
•
MAT
mode to
calculate estimated values for the regression graph’s
x
and
y
parameters.
Example
To perform a linear regression using the nearby data
and estimate the values of
ŷ
and
̂
x
when
xi
= 20 and
yi
= 1000
Summary of Contents for CFX-9850GB PLUS
Page 19: ...20070201 4 Contents Appendix 1 Error Message Table α 1 1 2 Input Ranges α 2 1 ...
Page 335: ...20070201 u Input Example u Results 6 5 25 Tests ...
Page 361: ...20070201 Calculation Result Output Example p F distribution probability 6 7 15 Distribution ...
Page 435: ...20070201 8 8 2 Program Library egcw w ww w ...
Page 437: ...20070201 8 8 4 Program Library Example 1 Example 2 fw fw baw baw bf ca w w ...
Page 439: ...20070201 8 8 6 Program Library d wba wb w w ...
Page 441: ...20070201 8 8 8 Program Library dw fcde fcde w wfcde daw wfcde w ...
Page 443: ...20070201 8 8 10 Program Library b awaw bwaw aw x d w ...
Page 591: ...20070201 Appendix 1 Error Message Table 2 Input Ranges α ...