Harry was not a well man He was in a terrible state of health. Cancer had eaten away at his digestive tract, it was so bad that surgeons had removed three-quarters of his stomach. He was constantly in and out of hospital, surviving on a diet of caffeine, nicotine and blood transfusions. A friend’s daughter […]
What is Sample Bias?
There are some jobs you really wouldn’t want… Perhaps the most dangerous in history was to be a crew member of a World War II bomber (I don’t suppose it matters which side). You shouldn’t believe everything you read on the internet, but according to some of the more reliable sources, during World War II: Over […]
Are Your Neighbours Spying On You?
W Edwards Deming is often quoted as saying: “In god we trust, all others must bring data”. His point was that if you want to improve an operation; hunches, beliefs and superstitions just won’t cut it. You need to have the data that shows what is really going on. No data, no improvement. Unfortunately the […]