Curve

The bell curve, also known as the normal distribution, provides a foundation for the majority of statistical procedures currently used in sociology. It can be thought of as a histogram of a continuous variable, but with such fine distinctions between outcomes that it is not possible to differentiate individual bars, so that the histogram appears

Herrnstein and Murray’s The Bell Curve (1994) is one of the most controversial and widely debated works of social science in the second half of the twentieth century. Almost instantly upon publication, the book set off a firestorm that took years to die down. What were the authors saying that was so incendiary? Their main