An IMR Chart is shown below. What should a Black Belt when he plots a chart like this
OPTIONS
- Conclude process is stable
- Conclude process could be stable, but investigation needs to be done on trends
- Conclude process is out of control
- None of the above
ANSWER
Conclude process could be stable, but investigation needs to be done on trends
EXPLANATION
As you can see some up and down trends in the chart. At first sight this may seem like normal and the chart may also show this as random variation, but a small investigation on why these trends are happening should be done so THE SECOND OPTION is correct.
