What is the mode for the sample 3, 2, 5, 7, 3, 2, 6, 4, 3, 7, 2, 4, 3, 5, 7, 5, 1, 2, 5, 3,7 ?

3

The mode is the number that appears most often in the set. It is often easier to see these measures of central tendency by rewriting the set in order. Here: 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 5, 5, 5, 5, 6, 7, 7, 7, 7