With just a few days to go before Tuesday’s election, this is the time when both sides tend to start panicking about the outcome. While the Biden supporters may take comfort from polls showing that he has a comfortable lead, we all know that there are problems with polls. It is not that the polls were that wildly off in 2016. The national vote at the end was consistent with predictions of Hillary Clinton winning. But the state polls were close enough that relatively small deviations were enough to give Trump the electoral college win. We should always bear in mind that polls are always statistical and there is always a margin of error. Black swan events can occur and grey swan events have even greater chance of occurring. (I don’t know if there are grey swans but you get the idea behind the metaphor.)
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