Tag Archives: Karen Kafadar

It takes ~20 observations to verify your first significant digit of the mean with confidence. Do you know how many observations it takes to verify your first sig-fig of the variance? More like 1000. And that’s just to get one … Continue reading

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Hearing loss by occupation

Hearing loss data by profession. Visualised with circles whose area (not width) is proportional to the prevalence. (This chart is Tufte-compliant.)

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