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Chi Square Analysis for Halloween: Is There a Slasher Movie Gender Gap?
Chi-square analysis compares the counts of two categorical variables to tell you if a relationship exists between the variables or not. It's a tool with many applications in the world of business and...
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Why Do So Many U.S. Voters Go MIA on Election Day? (Part II)
So what stops eligible U.S. voters from showing up at the polls on election day? I’m not going to be able to tease out all the possible factors associated with variability in voter turnout in one blog...
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Managing Diabetes with Six Sigma and Statistics, Part I
According to the American Diabetes Association, nearly 26 million children and adults in the U.S. have diabetes, and another 79 million Americans are at risk for developing Type 2 Diabetes. Type 2...
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The Care and Feeding of Capital Equipment (with Reliability Statistics)
In industry, it may be presses and CNC machines. In education, it may be computers and microscopes. In retail, it may be the forklifts in the warehouse. Regardless of your industry or the size of your...
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Statistics Is an Art
When you say the word "statistics" to people, most think about math. But not me. I think about art. I was reminded about this when I received the following e-mail recently: Hi Eston -- I read your...
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Managing Diabetes with Six Sigma and Statistics, Part II
In my last post, I discussed how quality professional Bill Howell chose to manage his diabetes diagnosis by treating it as a Six Sigma project. Since a key metric in controlling his disease was...
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Attending the Preliminary Round Judging of the ITEA
We got the opportunity a few weeks back to sit in on one of the preliminary round judging events that make up ASQ’s International Team Excellence Award Process (ITEA). I wrote about the ITEA in a...
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Minitab’s Lean Thanksgiving
Do you celebrate Thanksgiving or other major holidays at work? Maybe you have a potluck lunch a few days before the actual event, with your department or team? At Minitab Inc. we celebrate Turkey Day...
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My Work with Minitab
The Minitab Fan section of the Minitab blog is your chance to share with our readers! We always love to hear how you are using Minitab products for quality improvement projects, Lean Six Sigma...
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Beyond the "Regular Guy" Control Charts: An Ode to the EWMA Chart
It's no secret that in the world of control charts, I- and Xbar- are pretty much the popular kids in school. But have you ever met their cousin EWMA? That's him in the middle of the class, wearing the...
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Using Statistics for Process Improvement Outside of Manufacturing
It’s common to think that process improvement initiatives are meant to cater only to manufacturing processes, simply because manufacturing is where Lean and Six Sigma began. However, many other...
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Making My Statistical Software Match My Needs
When I want to analyze data, I want my statistical software to give me the options I want, when I want them. I want a menu that's perfectly suited to my needs. Maybe even a toolbar that gives me...
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Two-Tip Tuesday: Using Minitab Output in Presentations and Reports
After you’ve done the work to analyze your data in statistical software such as Minitab, it’s likely that you’ll want to organize your output and results into a presentation for colleagues or clients....
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What the Heck Is Best Subsets Regression, and Why Would I Want It?
Last time, we used stepwise regression to come up with models for the gummi bear data. Stepwise regression is a great tool, but it has a downside: when we use stepwise selection in design of...
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Holiday Baking: Using DOE to Bake a Better Cookie
It’s the most wonderful time of the year – the time for holiday bakers and cookie monsters to unite! So what’s a quality improvement professional to do when his favorite sugar cookie recipe produced...
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Sharing Your Minitab Custom Settings
It’s the holiday season, a time for volunteering and gift giving…and sharing! In that same spirit, I thought it would be a perfect time to talk about sharing in Minitab. As you may have picked up...
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How I Came to Grips with Statistics in Manufacturing
The Minitab Fan section of the Minitab blog is your chance to share with our readers! We always love to hear how you are using Minitab products for quality improvement projects, Lean Six Sigma...
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Choosing the Right Distribution Model for Reliability Data
Recently I've been refreshing my knowledge of reliability analysis, which is the use of data to assess a product's ability to perform over time. Quality engineers typically use reliability analysis to...
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Making Statistical Software Work for Multiple Users
Marlowe the Stats Cat here. Earlier, I showed you how easy it was to set up my statistical software with a personalized menu of statistical tools I use most often. The problem is that I share a...
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Violations of the Assumptions for Linear Regression: The Trial of Lionel...
Bailiff: All Rise. The Honorable Judge Lynn E. R. Peramutter presiding.Judge: Please be seated. Bailiff, please read the charges.Bailiff: Your honor, this is the case of the State vs. Lionel Loosefit....
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