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

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

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

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

Build a Histogram

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

In the kids’ movie Madagascar: Escape to Africa, Marty is the zoo zebra suddenly finds himself in a giant herd of zebras and he...

If you work in manufacturing, you probably see data every day. You may see it so often that you’ve become numb to it. For example,...