10
8
6
4
2
0
2003 Capability Study - Winston Services Cycle Time
PPM Total
PPM > USL
PPM < LSL
PPM Total
PPM > USL
PPM < LSL
PPM Total
PPM > USL
PPM < LSL
Ppk
PPL
PPU
Pp
Cpm
Cpk
CPL
CPU
Cp
StDev (Overall)
StDev (Within)
Sample N
Mean
LSL
Target
USL
824003.68
805972.35
18031.33
812700.17
785119.29
27580.88
600000.00
600000.00
0.00
-0.29
0.70
-0.29
0.21
*
-0.26
0.64
-0.26
0.19
1.62197
1.77305
10
4.4
1.0
*
3.0
Exp. "Overall" Performance
Exp. "Within" Performance
Observed Performance
Overall Capability
Potential (Within) Capability
Process Data
Within
Ov
erall
1
Day
3
Day limit
process
capable
level for a
good Cpk
1.33 is a
D
M
A
I
C
2003 Winston Services cycle time Capability Study
