Casio fx-7400G PLUS

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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
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.