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By its very nature, labelling something the best, or worst, of anything that has a history of almost 150 years is not an exact science.

It is not an exact science as every year is different, but since the Premier League shifted to a 38-game season in the 1995-96 campaign, an average of 35.6 points has been needed to avoid relegation.

"Managing those individuals is challenging and while every step is taken to mitigate risk, this is not an exact science and on occasion they will make poor decisions that lead to them being unlawfully at large," it said.

Exit polls are far from an exact science, but they are a good indicator of where the votes go.

According to Scott Tranter, director of data science at Decision Desk HQ, forecasting is far from an exact science, even if modelers are normally trying their best to provide sober, statistically informed analysis.