Tag Archives: mathematics

Digging into the pollsters (GE2017)

So a few days ago I remarked on the YouGov article about how the different polling companies are all using different methods to weight their samples this time around, after the generally accepted model they all used in 2015 led … Continue reading

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Albert, Bernard, Cheryl and the theory of mind

I love a good maths/logic puzzle. I love it even more when it becomes a language puzzle as well, and it seems social media has picked up on one such today. Known as the Cheryl Birthday Problem, you get a … Continue reading

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Selection bias and #SamaritansRadar

There is a concept in statistics, and especially useful in social science when dealing with populations, of “selection bias”: that sometimes the way that you choose your sample affects the results you get, and may mean that what you find … Continue reading

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