Lying with averages

Via

We can do better than percentile latencies | theburningmonk.com, this amazing animation:

dinosequentialsmaller

Every one of those has the same mean and standard deviation in both X and Y!

Read the linked paper for details, but this is by far the best visual education I’ve ever seen for why you absolutely cannot trust summary statistics.

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Computer engineer from San Diego. Obsessed with hardware, software, timekeeping and elegance.

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