Control Chart Constants Table

QI Macros has the constants BUILT IN!

Statistical constants are used for both variable control charts like the XmR, XbarR and XandS charts and in process capability calculations. These constants are determined based on the subgroup size.

Control Chart Constants used in QI Macros calculations

control chart constants table

control chart constants table for d3 D3 D4 E2 E3

Other Capability Analysis and Control Chart Formulas

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