Question: what is the value that occurs most frequently in a distribution
Answer: Mode

title: Mode (statistics)
text: In symbols, where formula_7 is the absolute value. A similar relation holds between the median and the mode: they lie within 3 ≈ 1.732 standard deviations of each other: The term mode originates with Karl Pearson in 1895. Mode (statistics) The mode of a set of data values is the value that appears most often. It is the value "x" at which its probability mass function takes its maximum value. In other words, it is the value that is most likely to be sampled. Like the statistical mean and median, the mode is a way of expressing, in a (usually)