Translating Your Brilliant Idea into the Language of Your Boss

Many professionals who felt stuck in their positions because their new ideas never gained traction [...]

Determining the Subgroup Size and Frequency on a Control Chart

Anyone who knows me knows I love hearing from the students who take my online [...]

What is the Difference Between a CAR and a PAR?

One of the more confusing distinctions for quality professionals, especially those working within one of [...]

The Concentration Diagram: From Cholera to Quality

Metropolises in 2020, like New York and Shanghai, disconcertingly resembled London in 1831, in that [...]

Sturge’s Rule: A Method for Selecting the Number of Bins in a Histogram

In the early 20th century, German statistician Herbert Sturges formulated a method (Sturges’ Rule) of [...]

Measuring Relative Variation: A Review of the Coefficient of Variation

Consider the follow two targets: Shooter #1 and Shooter #2 both fired 15 rounds into [...]

The Language of Business: Why Measuring Cost of Quality Matters

Armand Feigenbaum once gave prominence to many concepts still used today in modern quality management, [...]

My First Steps in Quality and Reliability; Lessons from the Russian Space Program

For this article, I had the wonderful honor of co-authoring a piece with my colleague [...]

Thomas Jefferson’s Role in Modern Manufacturing: Interchangeable Parts

The enduring gains from the Industrial Revolution were the philosophies of manufacturing that transcended the [...]

Standard Deviation versus Standard Error

Anyone who has worked around the fields of reliability or quality has certainly bumped into [...]

New Course: Foundations in Statistical Decision Making

Learn the foundations of Statistical Decision Making.
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