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To find the median, first order the dataset from least to greatest:
5, 7, 10, 11, 11, 12, 15, 16, 17, 17, 17, 20, 21, 24
Since there are 14 numbers in this dataset, the median will be the average of the 7th and 8th numbers in the list.
Median = (12 + 15) / 2
Median = 13.5
Therefore, the median of the given dataset is 13.5.