Quality Advisor℠

Your proof of quality® resource

A free online reference for statistical process control, process capability analysis, measurement systems analysis, and control chart interpretation.

Data collection tools

This is a comprehensive resource for data collection tools, including how to collect data, how much to collect, and how frequently to collect it. The tools explained are operational definitions and sampling.

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Data analysis tools

This is a comprehensive resource for analyzing and interpreting data so that the areas to improve become apparent. The tools explained are run charts, control charts, histograms, capability analysis, scatter diagrams, and Pareto diagrams.

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This complete glossary of quality tools, symbols, and abbreviations includes definitions for more than 200 quality terms.

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Formulas and tables

This section includes formulas for calculating control limits, capability indices and more, plus the tables referred to in these calculations.

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Additional resources

Links to other quality resources.

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Free monthly quality tips

FREE Newsletter on training tips, statistical help, book reviews and new product informationSubscribe to our free monthly newsletter, Quality eLine. It offers quality improvement information, quality training tips, statistical process control help, gage R&R information, and more.