statistics

6 sigma training determining sample size small sample size statistics statistics 

Why do we need 30 data samples?

March 6, 2021March 6, 2021 bizpi rule of thumb, sample size calculator, small sample size, small sample size statistics, student's t, t-distribution

I saw this question on a forum, and I wanted to give my response. Since the forum is under a

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excel Six Sigma six sigma exercises software statistics Uncategorized 

Can’t afford statistics software? Try Excel’s Data Analysis ToolPak

November 21, 2019November 21, 2019 bizpi boxplot, boxplot whiskers, control chart, data analysis toolpak, excel, histogram, pie chart, scatter plot, Six Sigma

When I teach Six Sigma classes, I teach students how to use Minitab statistical software. However, the software can be

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six sigma projects statistics sustainability 

Can Six Sigma Help The Recycling Problem With China?

July 21, 2019April 4, 2020 bizpi China, contamination, defect, dmaic, Environment, football, iowa football, kinnick stadium, p chart, recycling, sigma, Six Sigma, six sigma projects, SPC, statistics

You might be hearing a lot about recycling and the changes going on in China over the past year, called

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statistical significance statistical tests statistics 

Calculating Confidence Intervals for Proportions in Minitab

January 11, 2018November 11, 2019 bizpi 1 Proportion Test, 95% confidence, Confidence Interval, Defect Rate, Hypothesis Test, Minitab, Proportion test

A common question I get asked is: how accurate are my defect rate predictions? If you are inspecting a sample

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ANOVA charts confidence control correlation design DOE experiments gage R&R graphs hypothesis Minitab MSA quality regression Six Sigma software SPC statistics training 

Online statistics training from Minitab has great animation and examples

December 13, 2012April 14, 2021 bizpi ANOVA, charts, confidence, control, correlation, design, DOE, experiments, gage R&R, graphs, hypothesis, Minitab, MSA, quality, regression, Six Sigma, software, SPC, statistics, training

Minitab statistical software is one of the most powerful and popular programs around, especially for those in the Six Sigma

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5-s 5s best continuous control document imrprove lean mapping organization simple Six Sigma standard statistics work workplace 

Start simple before you map your processes

March 5, 2011April 14, 2021 bizpi 5-s, 5s, best, continuous, control, document, imrprove, lean, mapping, organization, simple, Six Sigma, standard, statistics, work, workplace

We see a lot of different processes at various levels of process performance. Some are running near six sigma levels,

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