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Casio fx-9750G PLUS User Manual

Page 300

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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

)

K5

(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

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