Diketahui data 2, 4, 5, 6, 8, 9, 10, 11, 12, 12. Desil ketiga dari data tersebut adalah

2, 4, 5, 6, 8, 9, 10, 11, 12, 12
n = 10

Desil ketiga
= i (n + 1)/10
= 3 (10 + 1)/10
= 3(11)/10
= 33/10
= 3 3/10
= data ke 3 + 3/10 (data ke 4 - data ke 3)
= 5 + 3/10 (6 - 5)
= 5 + 3/10 . 1
= 5 + 3/10
= 5 3/10