With Covid, averages are not the only story | David Spiegelhalter & Anthony Masters

We need local data to keep on top of local outbreaks

It's a myth that statisticians are obsessed with averages. We learn most from examining variability and the current concern with variants hammers home the importance of local data.

Across the United Kingdom, confirmed cases of Covid-19 are stable, at 22 per 100,000 people in the week up to 17 May. Six local authorities recorded less than two cases per 100,000; while in Bolton there were 385 per 100,000, over 17 times the national rate.

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