# Category Archives: Mathematics

## Correlation of mean transfer spend and UEFA coefficient

How does a countries mean transfer spend relate to its UEFA coefficient?

## Most expensive Premier League football transfer of all time: Rio Ferdinand

No, this post isn’t 15 years late, Rio Ferdinand really did cost “more” than Paul Pogba…

## Complex Reflection Groups

After a spring clean I came across a talk I gave on the classification of complex reflection groups back in March 2011.

## Distribution of Pancake Day

Today is pancake day and it got me thinking about the fact that I remember the day falling on my birthday (March 7th) just once in my lifetime. How long will I have to wait until it next falls on … Continue reading

## Relationship between Car Insurance Price and Population Density

There was some discussion in my office today about the correlation between car insurance prices and where you live. The idea being that the prices are correlated with population density.

## New Pound Coin

Anyone who knows me / has been lucky (!) enough to have been on a maths or physics course taught by me will know how I like to moan about the mathematics of the new pound coinâ€¦

## Number of days until first Premier League manager sacking

I’ll get straight to the point, on average the first Premier League manager is sacked after 77 days.

## Easy way to remember sin, cos and tan values

One of my tutees showed me an easy way to remember sin and cos values for the “common” angles, and once you’ve got those you’ve also got tan, cosec, sec and cot.

## Correlation between Astronaut name and Apollo mission

Perhaps we’ve finally worked out Deke Slayton’s method for choosing the Apollo crews, basing it on alphabetical order…

## Math(s) can be confusing…

I meet a man walking down the street, who I know has two children. He introduces me to his son, what is the probability that his other child is a girl?