Parametric tests make assumptions that aspects of the data follow some sort of theoretical probability distribution. Non-parametric tests or distribution free methods do not, and are used when the ...

Parametric release and real-time testing use manufacturing data to ensure that products are made according to defined standards. PharmTech talks to Boehringer Ingelheim's Heribert Hausler about these ...

What is the Friedman test? The Friedman test, also sometimes referred to as Friedman’s two-way analysis of variance by ranks, is a non-parametric statistical test used to investigate whether groups of ...

What is non-normal data? Normally distributed data is a commonly misunderstood concept in Six Sigma. Some people believe all data collected and used for analysis must be distributed normally. But ...

Advanced packaging is transforming semiconductor manufacturing into a multi-dimensional challenge, blending 2D front-end wafer fabrication with 2.5D/3D assemblies, high-frequency device ...

Boehringer Ingelheim's Heribert Häusler tells us about parametric release and real-time testing. Compliance with release specifications can be demonstrated by performing a complete set of tests ...