Casio fx-7400G PLUS Statistical Graphs and Calculations Manuel d'utilisateur télécharger pdf (Page 30)

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Chapter 7 Statistical Graphs and Calculations

(G-Type)

(Scat)

(XList)

(YList)

(Freq)

(M-Type)

(Auto)

(Pwr)

1234

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

!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.

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Casio fx-7400G PLUS Statistical Graphs and Calculations Manuel d'utilisateur Page 30