ASQ - Statistics Division

A Tool for Teaching on the Front Lines of Quality – Mini Paper Appearing in Summer 1986 Newsletter

Abstract: A control chart calculations form is presented to assist workers in calculating the control limits on an X bar and R chart. The form guides the workers step by step and simplifies the computations. Tools such as this one result in a better understanding of quality control techniques, especially by workers who are not technically inclined. In turn, this understanding will make it possible to advance at a more rapid pace towards quality improvement.

Keywords: Control charts - Quality control - X-bar and R chart

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