Activity network diagram helps to schedule a project efficiently. It gives an idea of the minimum and maximum time to complete a project. The 7th tool among the New 7 management development tool.

1. Activity Network Diagram / New 7 QC Tools
A
5
0 5
0 5
Slack 0
B
6
5 11
5 11
Slack 0
C
5
11 16
11 16
Slack 0
D
4
5 9
9 13
Slack 4
E
3
9 12
13 16
Slack 4
F
4
16 20
16 20
Slack 0
Network diagram
Critical Path
Activity Name
Activity
Time
ES EF
LS LF
Slack LS – ES or LF – EF
Activity
Network
Diagram