The table below depicts 14 sample means that were taken at periodic intervals and plotted on a control chart. Does the output appear to be random? Sample Defectives 1 18 2 24 3 19 4 22 5 20 6 19 7 22...

The table below depicts 14 sample means that were taken at
periodic intervals and plotted on a control chart. Does the output
appear to be random?
Sample Defectives
1 18
2 24
3 19
4 22
5 20
6 19
7 22
8 23
9 25
10 17
11 20
12 23
13 21
14 16