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BUSINESS_]
records+ 1.
After you input the data, reset the MODE switch to BASIC and start the program.
Press any key on the keyboard and the program will ask whether a P-chart or a Pn-
chart is required. Select the appropriate chart.
Next input the data file number and the number of groups. The plotter then plots the
specified control chart.
This program (more precisely, CETL) performs the following calculations:
- Defect percentage of each group
P = Pn/n x
100
(%)
- Average defect percentage
P
=
1:
Pn/1: n x
100 (%)
- Control limits
CL= P
Data input list in CETL
~ile Name:P-CHART
UCL=P+3JP (1-P)/n
LCL=p-3JJ>(l -P)/n
Number of Rec. :26
Number of Item:6
Label Record
Iteml:GROUP
TYPe(N/S)
:N
ExPression :RC
Format
:##########
Item2:EXAMIN
TYPe(N/S)
: N
E
!
.
XPl'E'SSlOn
?
Format
:##########
Item3:BAD
TYPe(N/S)
:N
Expression
?
Format
:##########
Item4:BADCx)
TYPe(N/S)
: N
Expression : ITC3)/IT(2).t100
Format
:#####.####
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