Tips and Techniques for Statistics and Quality Improvement

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

Data and analytics capabilities have taken center stage in recent years. The volume of available data has grown exponentially, and the exposure to analytics have steadily improved and become topic of focus across organizations. The convergence of these trends is fueling business efficiencies and innovation. 

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How the taste of wine is described often reads like a poem: “full-bodied and rich but not heavy, high in alcohol, yet neither acidic nor tannic, with substantial black cherry flavor despite its delicacy...” Flowers and fruits are commonly used as descriptors, meant to help drinkers understand the flavors in a glass of wine. This poetry reflects that some consider the conversion of fruit to wine be an art form.

Yet...

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Colin Noone reveals that improvement activities have delivered over £2.6bn validated savings over 15 years at Rolls-Royce plc. With over 40 years experience at the power generation engineering company he is enthusiastic to share his takeaways with the Minitab community.

Colin is the company's Global Master Black Belt for Methods & Capability. Next month he is speaking at the Minitab Insights event in the UK, part of...

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Most people who have taken a statistics class, whether it be Six Sigma or a college course or elsewhere, learned about the assumptions from which each test was developed. And boy are there a lot of assumptions!

Chances are a rather large and complicated flowchart was presented to help students navigate to the right hypothesis test – in my original course the chart was so big it had to be printed on 11x17 paper and...

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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 that make it easy to get your data into shape, so that you can proceed to getting the answers you need.

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The regulatory authorities worldwide largely driven by the Federal Drugs Administration in the U.S and its European counterpart, are making increasing demands in the interest of patient safety.

Pharmaceutical companies and organizations in the health sector are to apply more complete and complex techniques mainly for process validation but also for the monitoring and the evaluation of the performance of production...

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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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Spring is in the air, and Easter is coming up soon! Easter occurs relatively late this year, on April 21. Some years it seems early and some it seems late. So I started wondering about the distribution of Easter dates. Which dates are more common and which are less common? 

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People in the gym get inspired by exercises that movie stars use to get a “superhero” physique. And more female superheroes in cinema now inspire more women to try free weights in the gym.

I was skeptical about this - could resistance training benefit me, if I didn't want a bulky physique? So I began measuring my workouts: after all, if you can't measure it, you can't improve it. Here is how I analyzed my fitness...

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Confidence intervals show the range of values we can be fairly, well, confident, that our true value lies in, and they are very important to any quality practitioner. I could be 95% confident the volume of a can of soup will be 390-410 ml. I could be 99% confident under 2% of the products in my batch are defective.

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