Answer:
[tex]9, 12, 13, 14, 14, 14, 18, 19, 22, 22, 23 \\ \text{mean} = \overline{x} = \dfrac{\sum_{i=1}^{n}x_i}{n}\\ \dfrac{9+12+ 13+ 14+14+14+ 18+ 19+22+22+23}{11} \\Mean = \overline{x}=16.36\\ median = \widetilde{x} = \dfrac{x_{i} + x_{i+1}}{2} \\ odd \: data \: set \\ \frac{11 + 1}{2} = {6}^{th} \: position \\ \therefore \: \widetilde{x} = 14[/tex]
You have to arrange your data set in order, to find the median, so the median is 14 defo...
