statistika bantet

5
Nama : Riza Maulana Azhari NIM : 2014020086 Statistika 79 49 48 34 81 98 87 80 80 84 90 70 91 93 82 78 70 71 92 38 56 81 74 73 68 72 85 51 65 93 83 86 80 35 83 73 74 43 86 88 92 93 76 71 90 72 67 75 80 91 61 72 97 81 88 81 70 74 98 95 80 59 73 71 83 60 83 82 60 67 89 63 76 63 88 70 66 88 79 75 Distribusi Frekuensi dengan 7 Kelas: Nilai Ujian Frekuensi(f ) 31 - 40 2 41 - 50 3 51 - 60 5 61 - 70 14 71 - 80 24 81 - 90 20 91 - 100 12 fixi=2 x 35,5=71 Rata - Rata Hitung Nilai Ujian fi Xi fixi 31 - 40 2 35,5 71 41 - 50 3 45,5 136,5 51 - 60 5 55,5 277,5 61 - 70 14 65,5 917 71 - 80 24 75,5 1812 81 - 90 20 85,5 1710 91 - 100 12 95,5 1146 Jumlah 80 458,5 6070 Daftar Tabulasi Nilai Ujian Tabulasi Frekue nsi 34 – 42 III 3 43 – 51 IIII 4 52 – 60 IIII 4 61 – 69 IIIII III 8 70 – 78 IIIII IIIII IIIII IIIII II 22 79 – 87 IIIII IIIII IIIII IIIII II 22 88 – 96 IIIII IIIII IIIII 15 97 – 105 II 2 Jumlah 80

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Nama : Riza Maulana Azhari NIM : 2014020086Statistika

79494834819887808084907091938278

70719238568174736872855165938386

80358373744386889293767190726775

80916172978188817074989580597371

83608382606789637663887066887975

Distribusi Frekuensi dengan 7 Kelas:

Nilai UjianFrekuensi(f)

31 - 402

41 - 503

51 - 605

61 - 7014

71 - 8024

81 - 9020

91 - 10012

Rata - Rata Hitung

Nilai UjianfiXifixi

31 - 40235,571

41 - 50345,5136,5

51 - 60555,5277,5

61 - 701465,5917

71 - 802475,51812

81 - 902085,51710

91 - 1001295,51146

Jumlah80458,56070

Daftar Tabulasi

Nilai UjianTabulasiFrekuensi

34 42III3

43 51IIII4

52 60IIII4

61 69IIIII III8

70 78IIIII IIIII IIIII IIIII II22

79 87IIIII IIIII IIIII IIIII II22

88 96IIIII IIIII IIIII15

97 105II2

Jumlah80

Median

Nilai UjianFrekuensiFrekuansi kumulatif

31 - 4022

41 - 5035

51 - 60510

61 - 701424

71 - 802448

81 - 902068

91 - 1001280

Jumlah80--

Bb = 71 0,5 = 70,5d1 = 24 14 = 10d2 = 24 -20 = 4Me = Bb + P =70,5 + 10 =70,5 + 10 =70,5 + 10 (0,6)=70,5+6=76,5Mo = Bb + P=70,5+10=70,5 + 10=70,5+10(0,7)=70,5+7,1=71,6

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