Answer

The 15th Percentile is 10.55

0th 2 45th 23 90th 96.8
5th 4.8 50th 23 95th 165.4
10th 7.6 55th 23 100th 234
15th 10.55 60th 26
20th 14.4 65th 31.25
25th 18.25 70th 36.5
30th 21.2 75th 38
35th 21.9 80th 38
40th 22.6 85th 38

Er was een fout met uw berekening.