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Quality Control: Xbar.One Chart

1. Chart description: one-at-time data of a continuous process variable.

2. Click Quality Control | Xbar.One...

Variable  Enter one column containing the outcome measures.

Estimate (Average moving range  / Sample standard deviation)

Average moving range  This is estimate is based on the scaled mean of moving ranges.

Sample standard deviation  This estimate is defined as as(x)/cd(n), where n = number of observations x.

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