Augustinus Parulian Simangunsong 1209055038 Tugas Statistika
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1 2 3 4 5 6 7 8 9 10 15 57 57 56 65 45 67 34 67 56 30 58 57 78 78 68 67 56 87 78 56 79 57 89 65 76 65 76 65 65 43 79 87 89 68 54 90 67 56 56 56 89 65 87 65 67 78 55 78 54 78 78 46 87 78 78 66 78 67 36 95 76 46 89 65 65 89 77 65 79 66 54 89 67 78 68 76 65 45 90 67 34 76 78 65 75 78 76 77 95 67 53 57 68 92 78 56 54 65 96 Diketahui : - Jumlah Kelas K = 1 + 3.3 Log n K = 1 + 3.3 log 100 K = 7,6 - Rentang Data R = Xt – Xr R = 96 – 15 R = 81 - Panjang Kelas = R/K = 80/8 = 10
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Transcript of Augustinus Parulian Simangunsong 1209055038 Tugas Statistika
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Diketahui : Jumlah KelasK = 1 + 3.3 Log nK = 1 + 3.3 log 100K = 7,6 Rentang DataR = Xt XrR = 96 15R = 81 Panjang Kelas= R/K= 80/8= 10
IntervalFrekuensiFrekuensi KomulatifXiSimpangan (Xi-Simpangan Kuadrat(Xi- 2
10-191114,514,5-51,852688,4225
20-290124,50-41,851751,4225
30-394534,5138-31,851014,4225
40-4951044,5222,5-21,85477,4225
50-59203054,51090-11,85140,4225
60-69285864,51806-1,853,4225
70-79268474,519378,1566,4225
80-89109484,584518,15329,4225
90-99610094,557328,15792,4225
10066354537263,8025
1. Mean ( ) = /100 66,35
2. Median (Md)Md = b + p ( Md = 59,5 + 10 (Md = 59,5 + 7,2Md = 66, 7
3. ModusMo = b + p (Mo = 59,5 + 10 ( Mo = 59,5 + 8Mo = 67,5
4. Kuartil K1 = K1 = K1 = 25 K2 = K2 = K2 = 50 K3 = K3 = K3 = 75
5. Desil Letak D1 = D1 = (1/10) x 100D1 = 10D1 = TB + { xiD1 = 39,5 + { 10D1 = 39,5 + 1OD1 = 49,5 Letak D4 = D4 = (4/10) x 100D4 = 40
D4 = TB + { xiD4 = 59,5 + { 10D4 = 59,5 + 3,6D4 = 63,1
Letak D7 = D7 = (7/10) x 100D7 = 70D7 = TB + { xiD7 = 69,5 + { 10D7 = 69,5 + 4,6D7 = 64,1
Letak D9 = D9 = (9/10) x 100D9 = 90D9 = TB + { xiD9 = 79,5 + { 10D9 = 79,5 + 6D9 = 85,5
6. Persentil Letak P10 = P10 = (10/100) x 100P10 = 10P10 = TB + { xiP10 = 9,5 + { 10P10 = 9,5 + P20 = (20/100) x 100P20 = 20P20 = 49,5 + { 10P20 = 49,5 + 5P20 = 54,5 P60 = (60/100) x 100P60 = 60P60 = 69,5 + { 10P60 = 69,5 + 0,76P60 = 70,26 P80 = (80/100) x 100P80 = 80P80 = 69,5 + { 10P80 = 69,5 + 8,5P80 = 78
7. Simpangan baku
=
S = S = S = S = 7,82
