Discover how quality control charts help track product standards, pinpoint issues, and ensure processes meet specifications with this essential tool for quality assurance.
Some connections are established, by elementary and intuitive paths, among the following statistical techniques: Shewhart control charts, analysis of variance, and chi-square tests.
Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...
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