Case Studies/Articles

Normal Approximation Binomial Confidence Interval
Understanding Binomial Confidence Intervals

The Binomial Distribution is commonly used in statistics in a variety of applications. There are several ways to estimate the Binomial Confidence Interval (CI); in this article we will focus on the Normal Approximation Method and the Clopper-Pearson Method. read full article
Gondola FMEA Intro
Introduction to FMEA on a Ski-Resort Gondola Lift

I was suspended approximately 200 feet above a ravine when the thought occurred to me. Had the engineer(s) of the Gondola Lift that my family and I were currently occupying used Failure Mode and Effects Analysis (FMEA) when designing the lift?  read full article
Roger Clemens Image

Roger Clemens, Barry Bonds, Performance-Enhancing Drugs, and a Hypothesis Test

Athletes and their purported use of performance-enhancing drugs have dominated the sporting news in the last few months. The controversy seems to be particularly heated in the sport of baseball, with the Mitchell Report naming many famous players. Of particular interest is the accusation by Brian McNamee that Roger Clemens used performance-enhancing drugs to increase his performance. read full article

Calculating Type I Probability - Article covering the math details behind the article Roger Clemens and a Hypothesis Test.

 

Potato Cannon

Potato Cannons and the Taguchi L12

In the week between Christmas and New Year's Eve 2007, I found myself with a nearly empty golf course, beautiful central Florida weather, ample free time with my children, and a potato cannon. read full article

 

Tennis Ball Cannon


Tennis Ball Cannon Velocity and a Full Factorial

Abraham Lincoln's son Tad had a toy cannon which, according to folklore, he fired on the Cabinet after receiving a pretend military commission. Tad's cannon is currently ... read full article

 

JackandParrot

Family Vacations and QFD

Many people who have heard of QFD (Quality Function Deployment) would like to understand more about this powerful tool. This article serves as an introduction to the basics  to get you started. 
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