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To find the median, we first need to arrange the data in ascending order:
{8, 10, 11, 11, 11, 11.4, 12.3, 12.5, 12.5, 12.5, 13, 13, 14, 14, 14.1, 26}
Since there are 16 data points, the median will be the average of the 8th and 9th data points:
Median = (12.5 + 12.5) / 2 = 12.5
Therefore, the median hair length in this data set is 12.5 inches.