A bell curve is a graph used to visualize the distribution of a set of chosen values across a specified group that tend to have central, normal values that peak, with low and high extremes tapering ...

Every student should get to feel brilliant at school. But too often, they don’t. In many classrooms, success still depends on how well a student fits onto a single, familiar bell curve–the one ...

The normal distribution is pretty cool. It’s a mathematically determined probability distribution that does a good job of describing the patterns of variability between scores for many variables in ...

I can only recognize the occurrence of the normal curve … as a very abnormal phenomenon. — Karl Pearson (1901) Widely believed and rarely questioned is the notion that human characteristics, including ...