Casio fx-7400G PLUS Booklet page 68

Q-2 Component Quality Variation Control (X-R Control Chart)
m
2
1 [4
(GRPH)
1
(GPH1)
c2
xy
( )
c1 c[1
(List1)
cc1
(
fffff2
c2
xy
( )
c1 c2
(List1)
cc3
( )
•
fffff3
c1
(Scat)
c1 c3
(List1)
cc3
( )
•
!m1
(Auto)
Q1
(GRPH)
c1 c1
(On)
This is a control chart for a stable situation.
Try drawing Graph 3 using the LCL (List 4) for YList.
As an exercise, change some of the data and try drawing an unstable control chart.
(SET)
(List5)
)
(GPH2)
(List2)
(GPH3)
(List3)
Q
[1 1
(SEL)
(On)
4
(DRAW)
: From the Main Menu, enter the STAT
Mode.
: Display the graph setting screen.
: Select StatGraph1.
: Select xy Line.
: Specify List 1 (group numbers) for the
horizontal axis.
Specify List 5 (data) for the vertical axis.
: Specify
: Select StatGraph2.
: Select xy Line.
: Specify List 1 (group numbers) for the
horizontal axis.
Specify List 2 (mean values) for the
vertical axis.
: Specify • as the mark type.
: Select StatGraph3.
: Select Scatter plot.
: Specify List 1 (group numbers) for the
horizontal axis.
Specify List 3 (UCL) for the vertical axis.
: Specify • as the mark type.
: Specify AUTO as the graph mode.
: Turn on graphing for Graph 1, Graph 2,
(On)
and Graph 3.
: Draw the graphs.
– 65 –
as the mark type.