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Letak desil ke-1:

1
➢ 10 . = . 40 = 4
10
( 46 − 50)

Letak desil ke-9:

9
➢ 10 . = . 40 = 36
10

( 61 − 65)
a. Desil ke-1

Tb = a – 0,5 P = (b – a) + 1 , 1 = 3
= 46 – 0,5 = (50 – 46) + 1 , = 6
1
= 44,5 = 5
1
. −
10 1
1 = + ( )

1

1
. 40 − 3
10
1 = 45,5 + 5 ( )
6

1
1 = 45,5 + 5 ( )
6
1 = 45,5 + 0,83

1 = 46,33

b. Desil ke-9
Tb = a – 0,5 P = (b – a) + 1 , F9 = 33

= 61 – 0,5 = (65 – 61) + 1 , fD = 7
9
= 60,5 = 5

40