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What Statistical Software Should You Choose: Three More Critical Questions
Earlier I wrote about four important questions you should ask if you're looking at using statistical software to analyze data in your organization, especially if you're hoping to improve quality using...
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The Glass Slipper Story: Analyzing the Madness in the 2013 NCAA Tournament
Cinderella showed up early and often during the first weekend of the 2013 NCAA Tournament. Florida Gulf Coast stole the show with their glass slippers, becoming the first ever 15 seed to reach the...
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How to Prove You're (a) Case Using Statistics
by Patrique Roonquel, guest blogger Institut Sacre Bleu I enjoy using Minitab Statistical Software to uncover the vast causal relationships unfolding in the universe all around me. What kind of novel...
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My Job as a Minitab Statistician
In honor of the International Year of Statistics, I interviewed Rob Kelly, a senior statistician here at Minitab Inc. in State College, Pa. Rob designs features you see in Minitab Statistical Software,...
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Use Minitab to Graph Minecraft's Success
I have a good time putting together simple data sets that you can use to build your confidence in statistics. But I tend to like fairly old things: Shakespeare (1564-1616), Poe (1809-1849) and gummi...
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Great Presidents Revisited: Does History Provide a Different Perspective?
Recently, Patrick Runkel blogged about using regression models to explain how historians ranked the U.S. presidents. Given that I both love regression and that I’ve written about using regression to...
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Lightsaber Capability Analysis: The Results
Here at the lightsaber factory, we've completed several steps in doing a capability analysis: We made sure our data was collected and entered correctly in Minitab We identified the distribution of the...
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Learning Process Capability Analysis with a Catapult, part 1
by Matthew Barsalou, guest blogger We can use a simple catapult to teach process capability analysis using Minitab Statistical Software’s Capability SixpackTM. Here's how. A process capability analysis...
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Learning Process Capability with a Catapult, part 2
by Matthew Barsalou, guest blogger Process capability analysis using Minitab Statistical Software’s Capability SixpackTM can be taught using a catapult. A process capability analysis is performed to...
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Status Reports: Reduce Your Cycle Time using Minitab Macros!
Across all industries, there are many different ways professionals utilize Minitab Statistical Software to improve the quality of their products and services. You may be a professional in the health...
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Lean, Six Sigma, or Lean Six Sigma?
When I first started working among quality improvement professionals, I was caught off-guard by the varying terminology for "quality improvement." Some companies call their quality programs “process...
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The Top 10 (Statistically) Craziest Things that Happened in the 2013 NCAA...
In my previous blog post, I analyzed the madness in this year’s NCAA tournament for games through the Sweet 16. I found that it was one of the wackiest Sweet 16s ever. But things didn’t stop there—the...
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Benthic Invertebrates Gone Wild!
Using a Survey of Aquatic Bugs to Estimate Stream Quality As we click, flip, and scroll through hundreds of sites and channels, cruising for our daily dose of e-thrills, it’s easy to forget there’s a...
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Enough Is Enough! Handling Multicollinearity in Regression Analysis
In regression analysis, we look at the correlations between one or more input variables, or factors, and a response. We might look at how baking time and temperature relate to the hardness of a piece...
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When Should I Use Confidence Intervals, Prediction Intervals, and Tolerance...
In statistics, we use a variety of intervals to characterize the results. The most well-known of these are confidence intervals. However, confidence intervals are not always appropriate. In this post,...
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Remembering the Positive in a Time of Tragedy
My holy of holies is the human body, health, intelligence, talent, inspiration, love, and the most absolute freedom imaginable, freedom from violence and lies, no matter what form the latter two take....
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Explaining Quality Statistics So My Boss Will Understand: Measurement Systems...
As a teenaged dishwasher at a local eatery, I had a boss who'd never washed dishes in a restaurant himself. I once spent 40 minutes trying to convince him that forks and spoons should go in their...
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Using Binary Logistic Regression to Investigate High Employee Turnover
Human resources might not be a business area where you’d typically expect to conduct a Six Sigma project. However, Jeff Parks, Lean Six Sigma master black belt, found the opportunity to apply Six...
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Truth, Beauty, Nonparametrics & Symmetry Plots
“Shall I compare thee to a standard normal distribution? Thou art more symmetric and more bell-shaped…” — Melvin Shakespeare (William’s lesser-known statistician brother) The Greek philosopher...
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Leveraging Designed Experiments (DOE) for Success
You know the drill…you’re in Six Sigma training and you’re learning how to conduct a design of experiment (DOE). Everything is making sense, and you’ve started thinking about how you’ll apply what you...
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