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Quality Control: R Chart
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1. Chart description: ranges of a continuous process variable.


2. Click Quality Control | R...


Variables  observations for a subgroup are in one row of columns.

Estimate (UWAVE-R / MVLUE-R)

UWAVE-R  UnWeighted AVErage of subgroup estimates based on subgroup Ranges.

MVLUE-R  Minimum Variance Linear Unbiased Estimator computed as a weighted average of subgroups.



3. After the chart is generated, click Commend (refer to GUI) to view the chart.