What is the median of this data set??

The median of the data set is 4.
Median can be described as the number that occurs in the middle of a set of numbers that are arranged either in ascending or descending order. It is a measure of central tendency.
Data set = 2, 2, 2, 3, 4, 4, 4, 4, 6, 6, 7, 7, 7, 8, 9
Median = 4
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