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Quality Control: Xbar ChartViews:242times
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. |