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In this article, we'll look at how to calculate the various capability indices, in particular Cp, Pp and Ppk. To fully appreciate the capability of a process, the notion...

Before going into the details of parametric and non-parametric tests, let's review how statistical testing works. Ellistat's Data Analysis module enables you to perform these tests. A statistical test works...

To test normality, there are several tests that can be used to validate or invalidate the hypothesis that the distribution of parts follows a normal distribution. The tests most commonly used are...

The R&R guarantee is used to qualify a measurement process. This means checking that the variability of the measurement process is compatible with the variability of the quantity to be measured. It...

When faced with a problem, you need to be able to identify what kind of problem it is. This enables you to adapt the right problem-solving method. It's...

SPC or MSP? What is it used for? SPC (Statistical Process Control) is a quality control method used to ensure the quality of a product...

6 preconceived ideas about using SPC (Statistical Process Control) software in business 1. SPC is useless unless machines are modern and accurate Some people believe that...

In the design of experiments in statistics, the lady drinking tea is a random experiment reported by Ronald Fisher in his book The Design of Experiments...

The Taguchi experimental design is a statistical method used to improve the quality of products and manufacturing processes. Developed by Dr. Genichi Taguchi, it aims to...

Weibull's law is most often used to model reliability data. Ellistat's Data Analysis module makes it easy for you to perform these analyses. Definitions: Reliability,...

Ellistat announces ELLIFAO, a major innovation in its APC software, which will revolutionize the world of machining. French industry is facing major challenges in terms of reindustrialization, adaptation to climate change,...

Sampling is a crucial statistical methodology. Sampling is ubiquitous in many industrial sectors. However, in the medical device industry, its application is of particular importance.