## Main Effect

Published:If you wanted to improve the gas mileage of your car, what factors would you look at to do that? How would you measure the impact or effect of those factors? Computing the main effect could answer your question.

Read more## Fagan Style Software Inspection

Published:There are several ways that companies conduct inspections of their software. One such method is Fagan Style Software Inspection.

Read more## Pearson’s Correlation

Published:To answer the question of how strong and in what direction is the relationship between two continuous variables you would use the Pearson correlation coefficient (r). Letâ€™s learn more about this statistical descriptor and what it tells you about your data.

Read more## The 10 Best Quality Books of All-Time

Published:Looking for good books to read on the topics of quality, Six Sigma, Lean and OpEx? This reading list shares the best quality-topic books of all-time and book recommendations by topic.

Read more## The History of the Hypothesis Testing Flow Chart

Published:Here’s the story about how the hypothesis testing flow chart was developed in Barcelona in 1995, as told by Mike Carnell.

Read more## Introducing iSixSigma Version 5 ?

Published:After more than six months of hard work, iSixSigma is celebrating its relaunch today and Iâ€™m excited to announce the brand new, redesigned iSixSigma.com.

Read more## Z

Published:A Z value is a data point’s position between the mean and another location as measured by the number of standard deviations. Z is a universal measurement because it can be applied to any unit of measure. Z is a measure of process capability and corresponds to the process sigma value that is reported by […]

Read more## Zadj

Published:The probability of a defect when defects are correlated. For example, when linewidths are printed too wide the process can cause thousands of ‘bridging’ defects, so although the number of defects is extremely high, there is only one opportunity. Unless of course there are say four sensitive areas on the circuit so that a slight […]

Read more## Upper Control Limit (UCL)

Published:What is more misunderstood than the humble upper control limit? Is it a probability limit? Is it an economic limit? Read on to find out! Overview: What is the Upper Control Limit (UCL)?Â A control chart consists of several parts. It has two control limits and an average line. The bottom dashed line is called […]

Read more## Team Leader

Published:Each work cell is supervised by a Team Leader, who is responsible for maintaining optimal quality and productivity. Generally, this is a top-level technician who also is a natural leader. (See also Work Cell). It is a person who gives orders and plans to technician and operator in a manufacturing company.

Read more## The Theory of Inventive Problem Solving (TRIZ)

Published:TRIZ (pronounced “TREEZ”, the Russian acronym for the Theory of Inventive Problem Solving) is an established science, methodology, tools and knowledge- and model-based technology for stimulating and generating innovative ideas and solutions for problem solving. It is short for Teoriya Resheniya Izobreatatelskikh Zadatch. Historically it has been widely spread in Eastern Europe, particularly in the […]

Read more## Univariate

Published:A random variable with a numerical value that is defined on a given sample space.

Read more## Total Productive Maintenance (TPM)

Published:Japanese management philosphy. Used to increase time between failure (MTBF) or life of machinery.

Read more## Statistics

Published:The mathematics of the collection, organization, and interpretation of numerical data, especially the analysis of population characteristics by inference from sampling.

Read more## Specification

Published:Customer’s expectation for product or service deliverable/output. Parameters by which an output can be verified.

Read more## SS Product Report

Published:The Six Sigma product report is a Minitab tool that calculates the DPMO and short-term capability of your process.

Read more## Toyota Production System (TPS)

Published:Toyota’s continuous improvement practices are known as TPS; Toyota employs practices to eliminate waste.

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