Tips and Techniques for Statistics and Quality Improvement

Blog posts and articles about using Minitab software in quality improvement projects, research, and more.

Minitab Blog Editor

Minitab Blog Editor

It's no secret recent worldwide events have pushed us all to become more agile in our operations and respond to changes in new ways. Medical device manufacturers have come into the spotlight and are especially vital.

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Monte Carlo simulations have come a long way since they were initially applied in the 1940s when scientists working on the atomic bomb calculated the probabilities of one fissioning uranium atom causing a fission reaction in another. Today we’re going over how to create a Monte Carlo simulation for a known engineering formula and a DOE equation from Minitab.

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When you hear about projects that save Fortune 500 companies millions, you might think operational excellence and continuous improvement programs guarantee success. Experienced practitioners tell a different story. We surveyed nearly 200 of them at all skill levels from major companies across the United States. What was the one factor they believed tied most directly to success?

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Getting your data from Excel into Minitab Statistical Software for analysis is easy, especially if you keep the following tips in mind.

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Choosing the correct linear regression model can be difficult. Trying to model it with only a sample doesn’t make it any easier. In this post, we'll review some common statistical methods for selecting models, complications you may face, and provide some practical advice for choosing the best regression model.

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Although a polar vortex hit most of the northern United States last week, thousands of visitors did converge on Punxsutawney, Pennsylvania this past Saturday to see if their famous groundhog Punxsutawney Phil would see his shadow.

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Value stream mapping is a cornerstone of the Lean process improvement methodology, and also is a recognized tool used in Six Sigma. A value stream map illustrates the flow of materials and information as a product or service moves through a process. Creating a “current state” value stream map can help you identify waste and also makes it easier to envision an improved state for process in the future.

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Process validation is vital to the success of companies that manufacture pharmaceutical drugs, vaccines, test kits and a variety of other biological products for people and animals. According to FDA guidelines, process validation is “the collection and evaluation of data, from the process design state through commercial production, which establishes scientific evidence that a process is capable of consistently...

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You might be thinking, six weeks and you’re still not telling us what happened? When you are solving a manufacturing or development problem you might hear the same thing from your leadership – when will we get the results?

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Previously in our designed experiment on driving the golf ball as far as possible from the tee, we tested our four experimental factors and determined how many runs we needed to produce a complete data set.

Now let’s analyze the data and interpret the covariates and blocking variables.

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