the number of respondents who have the score that occurs most often in a set of data (i.e., the mode). For example, in a small sample of college freshmen whose ages are 18, 18, 18, 19, 19, 20, 20, 21, 23, and 25 the modal frequency for age is 3: The most commonly occurring score is 18 and there are three people with such a score.