Browsing category statistics

The Names of the Isle of Portland

Portland, Oregon, is one of the places in the USA that takes great pride in its self-conscious kookiness -- you see bumper stickers saying 'Keep Portland Weird', just like you do in Asheville, North Carolina and Austin, Texas, and probably another dozen cities who, if they were people, would go

Read More

The Roulette Wheel and its Distributions

You don't see many run-down, out-of-business casinos, which should serve as a tip-off: almost nobody beats the house in the long run. In this article, I'll show you - using the binomial distribution and the normal distribution - why that is. Sure, you might get a few people who come

Read More

Statistics and the court of law

"He's not Judge Judy and executioner!" - Danny Butterman, Hot Fuzz There's a reason statistical experiments are sometimes called trials: they take up a lot of time and are pretty much the epitome of suffering. What's that? Oh, sorry. No, apparently, it's because they're very similar to a court case.

Read More

The Line of Best Fit (Linear Regression)

Have a look at this picture. What do you notice? "It's a straight line, Colin!" Very good. You could get a ruler out and draw a straight line through the points. Why would you bother doing such a thing? Well, the idea is that if you can model a data

Read More

Aces in the pack

Today's big question is about poker. For some reason, statistics books shy away from gambling, reasoning that it's somehow harmful or evil. It's true, it can be addictive (although so can, for instance, using the computer or reading books) but it's actually the whole reason statistics exists. (This Italian lad,

Read More

Bayes’ Theorem, summer babies and that funny | symbol

There's an excellent article by talking about a really interesting probability 'paradox' to do with summer births. It's not really a paradox (as with a lot of probability, it makes perfect sense once you think it through), but the "at least one boy" puzzle was one of my favourites growing

Read More

Sign up for the Sum Comfort newsletter and get a free e-book of mathematical quotations.

No spam ever, obviously.

Where do you teach?

I teach in my home in Abbotsbury Road, Weymouth.

It's a 15-minute walk from Weymouth station, and it's on bus routes 3, 8 and X53. On-road parking is available nearby.

On twitter