Answer: 21
Explanation:
Mode is the value that appears most often in a set of data values.
- Write the numbers in your data set from least to greatest.
21, 21, 21, 24, 24, 25, 26, 27, 27, 28, 29
- Count the number of times each number is repeated and identify the value(s) that occur most often. In this case, 21 repeated 3 times.