I often teach in my statistics class that correlation should not be confused with causation. That is, observing that two variables move together does not necessarily mean that one variable caused the ...

As he was brushing his teeth on the morning of July 17, 2014, Thomas Royen, a little-known retired German statistician, suddenly lit upon the proof of a famous conjecture at the intersection of ...

IN THE mid-1990s, an algorithm trained on hospital admission data made a surprising prediction. It said that people who presented with pneumonia were more likely to survive if they also had asthma.

Many mutual-fund investors strive for diversified portfolios, but few fully grasp a concept that is key to achieving that aim: correlation. Correlation is the extent to which assets perform in ...

IT is known that for some time past the Mathematical Association has been arranging for a joint committee with the Association of Public Schools Science Masters to report on the teaching of ...