Learn about all these tools
The control chart is an online graph used to study how a process changes over time. The control chart was invented by Walter A. Shewhart. Guidelines for Control Chart: A control chart always has a central line for the average, an upper line for the upper control limit and a lower line for the lower … Read more
Cause and Effect Diagram A cause and effect diagram is a graphical tool to identify possible causes of a problem or effect. It is one of the basic tools of 7 QC Tools. The cause and effect diagram analysis was first developed by Professor Kaoru Ishikawa of Japan in 1960. The cause and effect diagram … Read more
Pareto chart: A Pareto chart is a ranked comparison of factors related to a quality problem. It helps to identify and focus on vital few factors of any problem. Vilfredo Pareto (1848-1923) Italian economist developed this principle. He studied the distribution of income in Italy. He observed that about 20% of the population owns 80% … Read more
What is a histogram? The histogram is a graphical view of variation in a set of data. The pictorial nature of the histogram enables us to see patterns easily. However, it is complicated to see the pattern in a simple table of numbers. It is a tool used to determine the normal distribution of a … Read more
Quality Control Quality control is a process employed to ensure a certain level of quality in a product or service. It includes which actions an organization takes to control and verify certain characteristics of a product or service. The basic goal of quality control is to ensure that the product is as per customer drawing … Read more
Stratification Stratification is the separation of data into categories. This tool is usually used to identify which categories contribute to the problem during the diagnostic process. We can separate data into different categories so that the data of that category can be observed to solve the problem. Stratification is a system of formation of categories, … Read more
Process Flow diagram : It is the graphic representation of the sequence of the steps taken to produce an output. The output can be a product, service or combination of both. It is also called a flow diagram or process flow chart. Flow diagram helps us to understand the process easily of how a product … Read more
What is Red Bin Analysis? Red bin analysis is to segregate and verify the defects occurring on production lines including inspection lines on a daily basis by a cross-functional team. Then understand the defects & do root cause analysis and take countermeasures as early as possible. It is a process where we do recording of … Read more
