A control chart begins with exact observed values.

highlighted = computed this step

First two observations

The first two observations are 8 and 10.

8, 108,\ 10
Observed valuesThe deterministic example starts with five exact observations.observationsvalue1821039411512

Last three observations

The last three observations are 9, 11, and 12.

9, 11, 129,\ 11,\ 12
Observed valuesThe deterministic example starts with five exact observations.observationsvalue1821039411512