Anyone familiar with basic statistics is familiar with the concept of a bell curve. A bell curve is a visual representation of normal data distribution, in which the median represents the highest ...

A bell curve of unit-level performance exists in every franchise system. Adding locations will of course boost system revenue, but there is also potential to grow simply by lifting the performance of ...

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 ...