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How to Calculate BX Life, Part 2b: Handling Triangular Matrix Data
I thought 3 posts would capture all the thoughts I had about B10 Life. That is, until this question appeared on the Minitab LinkedIn group:In case you missed it, my first post, How to Calculate B10...
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How to Pick the Right Statistical Software
If you’re in the market for statistical software, there are many considerations and more than a few options for you to evaluate.Check out these seven questions to ask yourself before choosing...
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Control Charts and Capability Analysis: How to Setup Your Data
To assess if a process is stable and in statistical control, you can use a control chart. It lets you answer the question "is the process that you see today going to be similar to the process that you...
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When to Use a Pareto Chart
I confess: I'm not a natural-born decision-maker. Some people—my wife, for example—can assess even very complex situations, consider the options, and confidently choose a way forward. Me? I get anxious...
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Whatever Happened to…the Ozone Hole?
Today, September 16, is World Ozone Day. You don't hear much about the ozone layer any more.In fact, if you’re under 30, you might think this is just another trivial, obscure observance, along the...
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Descriptive vs. Inferential Statistics: When Is a P-value Superfluous?
True or false: When comparing a parameter for two sets of measurements, you should always use a hypothesis test to determine whether the difference is statistically significant.The answer?...
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Validating Process Changes with Design of Experiments (DOE)
We’ve got a plethora of case studies showing how businesses from different industries solve problems and implement solutions with data analysis. Take a look for ideas about how you can use data...
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How to Save a Failing Regression with PLS
Face it, you love regression analysis as much as I do. Regression is one of the most satisfying analyses in Minitab: get some predictors that should have a relationship to a response, go through a...
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5 Powerful Insights from Noted Quality Leaders
If you were among the 300 people who attended the first-ever Minitab Insights conference in September, you already know how powerful it was. Attendees learned how practitioners from a wide range of...
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5 More Powerful Insights from Noted Quality Leaders
We hosted our first-ever Minitab Insights conference in September, and if you were among the attendees, you already know the caliber of the speakers and the value of the information they shared....
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Do You Know the Truth about Gage Repeatability and Reproducibility?
The ultimate goal of most quality improvement projects is clear: reducing the number of defects, improving a response, or making a change that benefits your customers.We often want to jump right in and...
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Why You Should Celebrate Healthcare Quality Week
October 16–22 is National Healthcare Quality Week, started by the National Association for Healthcare Quality to increase awareness of healthcare quality programs and to highlight the work of...
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Minitab 17 and Minitab Express: A Comparison of Software Features
Since the release of Minitab Express in 2014, we’ve often received questions in technical support about the differences between Express and Minitab 17. In this post, I’ll attempt to provide a...
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Common Assumptions about Data (Part 1: Random Samples and Statistical...
Statistical inference uses data from a sample of individuals to reach conclusions about the whole population. It’s a very powerful tool. But as the saying goes, “With great power comes great...
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8 Expert Tips for Excellent Designed Experiments (DOE)
If your work involves quality improvement, you've at least heard of Design of Experiments (DOE). You probably know it's the most efficient way to optimize and improve your process. But many of us find...
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Common Assumptions about Data (Part 2: Normality and Equal Variance)
In Part 1 of this blog series, I wrote about how statistical inference uses data from a sample of individuals to reach conclusions about the whole population. That’s a very powerful tool, but you must...
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Picking the Perfect Plot to Communicate Your Data
At the inaugural Minitab Insights Conference in September, presenters Benjamin Turcan and Jennifer Berner discussed how to present data effectively. Among the considerations they discussed was choosing...
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How to Avoid Messing Up Your Pareto Charts
Pareto charts are a special type of bar chart you can use to prioritize almost anything. This makes them very useful in making sound decisions. For example, if you have several possible quality...
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Correct Case Mismatches in Minitab, Fast
In this day and age, it’s not uncommon that data entry errors occur in data sets that are so large that looking for and correcting the errors by hand is impractical. Fortunately, Minitab includes tools...
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Giving Thanks for the Minitab Assistant
This week we’re celebrating the annual Thanksgiving holiday in the United States, which is not only a good time to reflect on the things we’re grateful for, but it’s also a good time to stuff yourself...
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