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Contoh 2.4
Tentukan nilai 1, 2, dan 3 dari data: 7, 3, 8, 5, 9,

4, 8, 3, 10, 2, 7,6, 8, 7, 2, 6, 9.

Jawab:

Diketahui:
n = 17

data berurut-turut: 2,2,3,3,4,5,6,6,7,7,7,8,8,8,9,9,10

a. Nilai
( + 1)
=
4
1(17 + 1)
1 =
4
18
1 =
4

1 = 4,5

1 = ̅4 + 0,5( ̅5 − ̅4)
1 = 3 + 0,5(4 − 3)

1 = 3,5

b. Nilai
( + 1)
=
4

2(17 + 1)
2 =
4

2(18)
2 =
4

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