Stratified vs. Cluster Sampling
Cluster vs Strata:A cluster is a group of objects that are similar in some way. For example, a cluster of people who have similar interests, hobbies, or occupations. Strata is a term used in geology to describe layers of sedimentary rocks that have been deposited over time. Stratification is the separation of layers in sedimentary rocks.Cluster […]
Continue readingSix Reasons Why Continuous Improvement Projects Fail
What are the main reasons why Continuous Improvement (CI) projects fail?Continuous improvement is an essential part of any organization’s development strategy. It helps organizations improve their performance and become more efficient.We’ll start by looking at what is meant by ‘continuous improvement’. Then we’ll take an overview of the most important factors that can affect your […]
Continue readingDefect vs. Defective
What is the difference between defect and defective?Defect means not meeting a specific requirement or the specification, or failing to achieve a specific customer/client CTQ. A product could have multiple defects. Some of these defects might not even be noticeable by the client. These defects do not functionally affect the performance of the product, still […]
Continue readingAccuracy vs. Precision
What is the difference between accuracy and precision?Accuracy refers to the closeness between measurements and their expected or true value (The farther a measurement is from its expected or the true value, the less accurate it is.) Precision pertains to the closeness of measurements to one another.Statistical scheme of accuracy and precision on targetOne way that […]
Continue readingSix Sigma vs. Lean
What is the difference between Lean and Six Sigma? Lean and Six Sigma are two different frameworks that can be used to improve the effectiveness of a given process. Lean is focused on customer value and waste reduction, while Six Sigma focuses on variation reduction and statistical analysis.LeanSix SigmaFocus is on:Waste reductionVariation reductionLeads to:Cycle time […]
Continue readingSix Sigma Black Belt Certification
To apply for the Six Sigma Black Belt certification by Quality Gurus Inc., you need to take the following steps.
Continue readingRoot Cause Analysis (RCA)
Root Cause Analysis is used to analyze the root cause of a positive or negative event. The purpose is to take corrective actions to prevent the recurrence of a negative outcome or facilitate a positive outcome.What is the root cause?A cause, if corrected, will prevent the recurrence of a problem.It will also prevent the occurrence […]
Continue readingEight Disciplines (8D) Problem Solving
The 8D is a team-based, structured approach to problem-solving. The 8D approach aims to identify the root causes of the problem and take necessary actions so that the recurring problems are permanently resolved.
Continue readingSpecial Cause vs. Common Cause Variation
What is the variation?Whatever measurement we take, there is always a variation between these measurements. No two items or measurements are precisely the same. The problem with the variation is that it is the enemy of quality. Variation and quality do not go hand in hand. Variation reduction is one of the significant challenges of quality […]
Continue readingBest Six Sigma Certification
Six Sigma is a process improvement approach. Six Sigma was invented by Motorola way back in 1985. This approach has stood the test of time and is still widely used by organizations even after 35 years of its invention. This process improvement methodology can be used in any industry. The focus of Six Sigma is to […]
Continue readingJapanese Quality Management Terms – Flash Cards
Click on the card to see the definition.
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