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Chapter 7 statistical graphs and calculations – Casio fx-7400G PLUS Statistical Graphs and Calculations User Manual

Page 30

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Chapter 7

Statistical Graphs and Calculations

(G-Type)

(Scat)

(XList)

(YList)

(Freq)

(M-Type)

(Auto)

(Pwr)

1

2

3

4

Example

To perform power regression using the following data and
estimate the values of and when

xi

= 40 and

yi

= 1000

xi

(List 1)

yi

(List 2)

28

2410

30

3033

33

3895

35

4491

38

5717

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.

1(GRPH)[4(SET)c
1(Scat)c
1(List1)c
2(List2)c
1(1)c
1( )Q

!Z1(Auto)Q1(GRPH)1(GPH1)[

3(Pwr)4(DRAW)

3. In the Main Menu, select the RUN icon and enter the RUN Mode.

4. Press the keys as follows.

ea(value of

xi

)

K3(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.