Find the median of {13, 23, 11, 16, 15, 10,. Web the 'mode' does not need to be a numerical value in the statistics register: In other words, it measures how frequently a particular number occurs within a set of numbers. We can also say that the value or number in a data set, which has a high frequency or appears more. If x is a discrete random variable, the mode is the value x at which the probability mass function takes its.