Tag Archives: percentages

What We Talk About When We Talk About Performance

TL;DR – the phrase “90% faster” is interpreted by people in two different ways: 90% less time The speed (ops/sec or km/h) is 90% greater I strongly prefer #2 but due to the ambiguity this phrase should never be used. … Continue reading

Posted in Math, Performance, Rants | Tagged , , | 27 Comments

Myth: Mythbusters Can Do Math

Busted! Once again, the Mythbusters have shown that they are careless with basic mathematics. They have shown that they can’t reliably calculate percentages, which makes me worry about all of other math that they do. They described dimpled golf balls … Continue reading

Posted in Math | Tagged , | 14 Comments

Population Estimation Through Murder Statistics

For reasons that I no longer remember I found myself looking at the murder rate page on Wikipedia. Looking at some of the patterns in a few of the safer countries I realized that I could estimate their populations based … Continue reading

Posted in Math | Tagged , , , | 4 Comments