The mode of the data set is 21
Explanation:Given:
23, 21, 25, 34, 21, 37
To find:
the mode of the data set
First, we need to arrange the numbers in ascending order to make it easy:
21, 21, 23, 25, 34, 37
The mode is the number that appears the most in a data set.
From the given data all the numbers appeared once except 21. 21 appeared twice.
Hence, the mode is 21.
