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This document contains tables of constants and formulas for various control charts used in statistical process control (SPC). Table T9A provides constants for X-bar and R charts, X-bar and s charts, and median charts used with variable data. Table T9B provides additional constants for median charts and individual value charts. Table T9C lists the formulas for calculating control limits for common attribute control charts like p, np, c, and u charts.

Author

Amit Joshi

Language

EN