## Scatter Diagram (Scatter Plot, Scatter Graph) Explained

What is a Scatter Diagram? – A Scatter Diagram, which graphs pairs of numerical data, is a member of the “old seven” (seven basic tools of quality). It is a kind of mathematical graph for process improvement, which is used … Read more

## Kanban Methodology for Project Management

Kanban methodology is a project and process management tool developed by an industrial engineer Taiichi Ohno in the late 1940s. In the beginning, it is introduced as an integral part of the lean manufacturing production system. The purpose of the … Read more

## Accuracy vs Precision in Quality Management

While evaluating the results after taking data measurements, you need to bear in mind two significant concepts that are accuracy and precision. Your data set might be close to an accepted value or it might be completely different from an … Read more

## Corrective Action vs Preventive Action vs Defect Repair

In the Quality Management System, corrective action eliminates the cause of nonconformity after problems arise. Preventive actions focus on eliminating the causes of potential nonconformities before problems arise. On the other hand, defect repair is a repairing process to replace … Read more

## Grade and Quality Terms in Project Management

Grade vs Quality is one of the most popular articles in our blog. Grade and quality terms are widely used in project quality management as well as in our daily life. Most of the time we make comments about a … Read more

## Pareto Chart (Pareto Analysis) in Quality Management

There are many tools, techniques, diagrams, and charts are used in quality management to make analysis and improve the process quality. Pareto Chart (also known as Pareto Analysis or Pareto Diagram) is one of the seven basic tools of quality … Read more

## 5s Methodology & Principles in Project Management

Organizations often try to change their production system to achieve more work using fewer resources. In order to increase the profit by reducing waste and costs, a business must become more productive than before considering the rapidly changing economic conditions. … Read more

## Common Cause Variation vs Special Cause Variation

What are the causes of variation in quality control or what are the types of variation? The term “variation” is widely used in statistics, quality management, genetics, and even in biology. It refers to the measurement for a group of … Read more

## Kaizen Methodology for Process Improvement

Productivity is very important in today’s competitive business environment. Organizations seek ways of improving their processes, reducing costs and increasing their benefits. Kaizen is a management system that aims continuous improvement within all processes of an organization. It has similarities … Read more

## Fishbone Diagram (Cause and Effect Diagram)

Fishbone diagram , also known as cause and effect diagram or Ishikawa diagram is a quality management tool that is commonly used to identify the root cause of a problem. Basically, it analyzes various possible causes of a problem with … Read more