Answer :
Final answer:
The median of the given set of data is 59.6.
Explanation:
To find the median of a set of data, you first need to arrange the data in ascending order. The given set of data arranged in ascending order is 15.7, 22.9, 38.2, 59.6, 63.7, 78.5, 87.9. Since the set has an odd number of data points, the median is the middle value, which is 59.6.
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