The course will discuss the methods of statistical quality control within a broader framework of quality assurance and management. The course will define the various aspects of quality and address the ...

Statistical Process Control (SPC) is a type of quality control which uses statistics to monitor and maintain quality. Sampling SPC uses graphical techniques including histograms, scatter plots, and ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative sampling and random sampling ...

The Final Statistics - Sample Data reports present detailed profiles of Canadian taxfilers based on a stratified random sample of individual tax returns. The reports contain Tables 1 to 12, which is ...

This is a question I sometimes ask myself ever since I read about the great Indian statistician and central planner P.C. Mahalanobis: could he and his statistical peers in China have saved the tens of ...