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Tabel 2-1 Macam Persentil dan Cara Perhitungan Dalam Distribusi Normal
(Sumber : Wikipedia)
Persentil
Perhitungan
1
X
-2.325 sx
2.5
X
-1.96 sx
5
X
-1.645 sx
10
X
-1.28 sx
50
X
90
X
+1.28 sx
95
X
+1.645 sx
97.5
X
+1.96 sx
99
X
+2.325 sx
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