Does culture come before lean or does lean come before culture? It’s kind of a chicken or egg kind of question. Having implemented lean meth...

Process variation is running rampant in your factory and you've been called-on to solve this mystery. You are passionate about finding these...

Not knowing the long-term capability of your processes is like driving your car at night during a snowstorm. Visibility is poor and driving ...

Short-term process capability studies are conducted to establish the performance entitlement of a process. This type of capability study cap...

Processes variation is a fact of life in a manufacturing plant and so knowing the capability of your processes is essential information for ...

Almost all natural data on planet earth is normally distributed and most manufacturing process data is normally distributed too. What does t...

Build a Histogram

Before diving into the normal distribution curve, let’s start with the building block of it, the histogram. The word hist...