2002 Inspection Company Cycle Time
D
M
A
I
C
0
Subgroup
10
20
1
2
3
4
5
1
6
1
Mean=3.429
UCL=4.758
LCL=2.099
North TX I
nspection
Winston Services
0.0
0.5
1.0
1.5
1
1
R=0.5
UCL=1.634
LCL=0
North TX I
nspection
Winston Services
2002 I-MR chart - Inspection Companies
1
Business Day
2
Business Days