Based on the data shown below, calculate the centroid $\displaystyle {\left(\overline{{x}},\overline{{y}}\right)}$ (to two decimal places)

x	y
2	31.5
3	27.68
4	25.06
5	24.14
6	21.32
7	17.9
8	16.38
9	11.76
10	8.24
11	6.82
12	3.6

$\displaystyle {\left(\overline{{x}},\overline{{y}}\right)}$ = (,)