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statistics Archives - David Werdiger

Our COVID Statistics are all Wrong

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Management guru Peter Drucker gave us “what gets measured gets managed” (for better or worse). Governments bombard us daily with COVID-related statistics, but many of them are measuring the wrong things. The most common statistic is “new cases per day”, but that has serious deficiencies. Firstly, it’s quoted as an absolute number, rather than as a proportion of the population. So in the early days of COVID, the US had huge daily numbers, but as a country…

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One-kick Thrillers

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Michael Gleeson’s analysis of close AFL matches since 2009 makes some interesting points, but misses some very important ones. Strangely, the graphic ranks the teams not by their success in close matches, but by the number of close matches they have played. What does this actually measure? Does anyone really care (other than the AFL who want more thrilling finishes and bigger crowds)? Geelong has 18 – far ahead of  the next highest on 15,…

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