A
ll
and more about Sharp PC-1500
at
http://www.PC-1500.info
SHARP
PROGRAM
TITLE
I Outline I
X - R CONTROL CHART
PROGRAM NO.
PS
- B- 14
CE-150, CE
-151
and
CTR
required
Based
on
data, the control limit is determined to generate an
X-R
control chart.
This program also enables
outputs
of
X (mean) and R (range) for each group
of
data.
I Operating Guide I
For data
input
llD£FI
CD
1
"""
1 m
Used to modify and check da
ta,
as well as finding X (mean)
and R (range).
For settin.g coefficients on a table for
X-R
control limit calcula-
tion,
as
well as enabling
outputs
of
a central line, upper control
limit, and low
er
control limit.
For
X- R control chart generation.
I Contents I (Formulas)
l.
The
mean value x for
each
group is calculated.
Total data for
each
gr
oup
x=
No.
of
data
2.
Range R is calculate
d.
R =
Ma
x.
value
of
each
group
- Min. value
of
each group
3.
The
total mean value x
is
calculated.
x=
Grand
tot
al
of
mean value
No.
of
grou
ps
4.
The
tot
al
range R is calculated.
R =
Grand
total
of
range R
No.
of
groups
S. Control lines
of
x control chart.
Central line CL = x
Upper control limit
UCL=
x + A
2
R
Lower control limit L
CL
= x - A
2
R
A
2
= coefficie
nt
6. Control lines
of
R
contro
l chart.
Central line CL = R
U
pp
er control limit UCL = 0
4
R
Low
er
control limit LCL = 0
3
R
(0
3
= 2 - 0
4
)
0
3
and 0
4
= coe
ffi
cients
7. F
ile
name (on cassette tape):
"X
- R DATA".
Do
not
sale this PDF
!!!
-72
-
I
To Next Page
Loading...
