Contoh Tugas Statistik
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Transcript of Contoh Tugas Statistik
76 84 68 118 66 68 7666 76 74 76 58 100 6670 80 74 84 140 70 7670 62 56 56 70 74 8066 94 60 116 92 80 84
K = 1+3.32 log (40) = 6.31Diambil 7
K = 7 No Kelas Interval Frekuensin = 40 1 50 - 63 7Max = 140 2 64 - 77 19Min = 50 3 78 - 91 6
4 92- 105 5R = Max- Min 5 106- 119 2 = 140-50 = 90 6 120 - 133 0
7 134-147 1P = R/K = 90/7 = 12.85 Jumlah 40Diambil 13
Biaya yang dikeluarkan seorang mahasiswa membeli pulsa telepon dalam sebulan seperti berikut ( Ribuan)
10094586850
Xi Bb56.5 49.570.5 63.584.5 77.598.5 91.5
112.5 105.5126.5 119.5140.5 133.5
Frekuensi Xi7 56.5
19 70.56 84.55 98.52 112.50 126.51 140.5
49.5 63.5 77.5 91.5 105.5 119.5 133.50
2
4
6
8
10
12
14
16
18
20
Distribusi frekuensi
Distribusi frekuensi
56.5 70.5 84.5 98.5 112.5 126.5 140.502468
101214161820
Xi
Xi
49.5 63.5 77.5 91.5 105.5 119.5 133.50
2
4
6
8
10
12
14
16
18
20
Distribusi frekuensi
Distribusi frekuensi
56.5 70.5 84.5 98.5 112.5 126.5 140.502468
101214161820
Xi
Xi