If you have any advice, please
feel free to contact us. We will
take action as soon as possible.
Quality Control: Xbar Chart
1. Chart description: means of a continuous process variable.
2. Click Quality Control | Xbar...
Variables observations for a subgroup are in one row of columns.
Estimate (Rbar / Sbar)
Rbar Choose to estimate s based on the average of the subgroup ranges.
Sbar Choose to estimate s based on the average of the subgroup standard deviations.
3. After the chart is generated, click Commend to view the chart.