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Nine Months of Statistics Training Shown in a Single Image

I recently delivered another one of my ‘statistics’ training courses in Perth. Now before you turn up your nose and shudder at the thoughts of stats, I’m talking about practical decision making by drawing information from data … something every manager should be able to do well. During this course I promised I would give participants 12 images that would help them to remember nine months of university statistics.

Unfortunately I failed to deliver on my promise; I gave them 13 images.

Over the course of 4.5 days of what I call ‘quantitative decision making’ training (QDM), we effectively cover what has taken up to nine months of training in the past (3 modules) to complete. This reduction in time is only made possible by using software such as SigmaXL and Minitab, plus not having to learn the maths and formulas behind the statistical tests.

The major tools used in the QDM course can be shown visually using diagrams, a strategy I use to remember things. So in my most recent course I took to drawing these on the board and happened to take a photo of my chicken scratches.

What do these images show?

Well in the training we cover things like measurement system analysis, control charts, run charts, histograms, process capability, transformations, parametric and non parametric hypothesis testing, design of experiments, correlation, linear regression, and most importantly, how to ask questions and answer these with statistical tools. All of these tools are shown as diagrams in the picture below.

I wonder how many of these diagrams you can correctly link to a statistical tool.

Note: This article was first published on George Lee Sye.com and is reproduced with permission of the author.

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