Copyright © Texas Education Agency, 2012. All rights reserved. 1 Production Quality Control Statistics & Risk Management

Copyright © Texas Education Agency, 2012. All rights reserved. 1

Production Quality Control

Statistics & Risk Management


The Faces of QualityQuality Control emphasizes testing of products

to uncover defects and reporting to management who make the decision to allow or deny product release

Quality Assurance attempts to improve and stabilize production (and associated processes) to avoid, or at least minimize, issues which led to the defect(s) in the first place.

http://managementhelp.org/quality/total-quality-management.htm


Total Quality Management (TQM) Quality can and must be managed.Processes, not people, are the problem.Don’t treat symptoms, look for the cure.Every employee is responsible for quality.Quality must be measurable.Quality improvements must be continuous.Quality is a long-term investment.

http://managementhelp.org/quality/total-quality-management.htm


Capture Data at Each Critical Production Process

Document – Flows–Process Issues– Inspections–Variances (sick employee, machine

broke down, etc.)–Rejects


Randomly Test Product Samples

Pull products at all stages of the process and inspect-test.

Document results


Document IssuesIdentify Statistical Significance of

IssuesIdentify Statistical PatternsGather Employee Thoughts


Gather User ExperiencesSurveysPhone/Email Follow-upsReviews (web)Google


DeliverablesDocumentsPresentationsWhite Papers


Follow-UpsPersistenceImprovements


Does it Matter?For contract work, particularly work

awarded by government agencies, “quality control” issues are among the top reasons for not renewing a contract.