Average (mean)

In general, an average refers to a summary of features of a set of values. In this sense, an average includes a median or a mode. In a more specific sense, an average refers to an arithmetic mean or a geometric mean. Usually an average indicates an arithmetic mean. The mean, similar to the average, is the representative value of a statistical group. According to the equation to calculate the mean, the mean may be called an arithmetic, geometric, or harmonic mean.