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UKURAN LETAK DATA
BY:
ZULFA SUSAN ELYANA (1615310001)
FAKULTAS EKONOMI DAN BISNIS
PROGRAM STUDI MANAJEMEN
SEMESTER II (DUA)
UNIVERSITAS PEMBANGUNAN PANCA BUDI
UKURAN LETAK DATA
โ€ข KUARTIL (Q)
KUARTIL ADALAH UKURAN LETAK YANG MEMBAGI SUATU DISTRIBUSI MENJADI 4
BAGIAN YANG SAMA. KUARTIL TERBAGI MENJADI 2 JENIS YAITU KUARTIL DATA
TUNGGAL DAN KUARTIL DATA BERKELOMPOK:
1. KUARTIL DATA TUNGGAL
a. KUARTIL PERTAMA/BAWAH
Q1 =
1(๐‘›+1)
4
b. KUARTIL KEDUA/TENGAH
Q2 =
1(๐‘›+1)
4
c. KUARTIL KETIGA/ATAS
Q3 =
3(๐‘›+1)
4
2. KUARTIL DATA KELOMPOK
SECARA UMUM RUMUS UNTUK KUARTIL DATA BERKELOMPOK
ADALAH:
๐‘ธ๐’Š = ๐‘ณ๐’ + ๐’Š
๐’Š๐’
๐Ÿ’
โˆ’ ๐‘ญ
๐’‡
KETERANGAN:
LO = TEPI BAWAH KELAS KUARTIL
N = BANYAK DATA
F = FREKUENSI KUMULATIF SEBELUM KELAS KUARTIL
F = FREKUENSI KELAS KUARTIL
I = INTERVAL/PANJANG KELAS
โ€ข DESIL (D)
DESIL MEMBAGI DATA MENJADI SEPULUH BAGIAN YANG SAMA BESAR. DESIL DIBAGI MENJADI 2 JENIS YAITU
DESIL DATA TUNGGAL SERTA DESIL DATA BERKELOMPOK:
1. DESIL DATA TUNGGAL
RUMUS SECARA UMUM:
DI =
๐’Š(๐’+๐Ÿ)
๐Ÿ๐ŸŽ
2. DESIL DATA KELOMPOK
RUMUS SECARA UMUM:
DI = ๐‘ณ๐’ + ๐’Š
๐’Š๐’
๐Ÿ๐ŸŽ
โˆ’๐‘ญ
๐’‡
KETERANGAN:
LO = TEPI BAWAH KELAS DESIL
N = BANYAK DATA
F = FREKUENSI KUMULATIF SEBELUM KELAS DESIL
F = FREKUENSI KELAS DESIL
I = INTERVAL/PANJANG KELAS
โ€ข PERSENTIL (P)
PERSENTIL ADALAH DATA YANG TERBAGI MENJADI 100 BAGIAN YANG SAMA. PERSENTIL
DIBAGI MENJADI DUA BAGIAN, YAITU:
1. PERSENTIL DATA TUNGGAL
RUMUS SECARA UMUM:
PI =
๐’Š(๐’+๐Ÿ)
๐Ÿ๐ŸŽ๐ŸŽ
2. PERSENTIL DATA TUNGGAL
RUMUS UNTUK PERSENTIL BERKELOMPOK:
PI = ๐‘ณ๐’ + ๐’Š
๐’Š๐’
๐Ÿ๐ŸŽ๐ŸŽ
โˆ’๐‘ญ
๐’‡
KETERANGAN:
LO = TEPI BAWAH KELAS PERSENTIL
N = BANYAKNYA DATA
F = FREKUENSI KUMULATIF SEBELUM KELAS PERSENTIL
F = FREKUENSI KELAS PERSENTIL
I = INTERVAL/PANJANG KELAS
SOAL: UKURAN LETAK DATA
โ€ข DATA NILAI STATISTIKA BERIKUT INI :
Nilai Frekuensi
50 โ€“ 59
60 โ€“ 69
70 โ€“ 79
80 โ€“ 89
90 โ€“ 99
6
10
14
6
4
Jumlah 40
TENTUKAN:
1. KUARTIL 2 !
2. KUARTIL 3 !
3. DESIL 6 !
4. PERSENTIL 27 !
5. PERSENTIL 80 !
PENYELESAIAN SOAL UKURAN LETAK DATA
1. Q2 = 2N/4= 80/4= 20 โ†’ BERADA DI KELAS KETIGA โ†’ 70 โ€“ 79 โ†’ LO = 69,5
Q2 = 2N/4= 20, SEHINGGA F = 16 DAN F = 14
Q2 = ๐ฟ๐‘œ + ๐‘–
2๐‘›
4
โˆ’๐น
๐‘“
= 69,5 + 10
20 โˆ’16
14
= 72,3
2. Q3 = 3N/4= 120/4= 30 โ†’ BERADA DI KELAS KEEMPAT โ†’ 80 โ€“ 89 โ†’ LO=79,5
Q3 = 3N/4= 30, SEHINGGA F = 30 DAN F = 6
Q3 = ๐ฟ๐‘œ + ๐‘–
3๐‘›
4
โˆ’๐น
๐‘“
= 79,5 + 10
30 โˆ’ 30
6
= 79,5
3. D6 = 6N/10 = 240/10 = 24 โ†’ BERADA DI KELAS 3 โ†’ 70 โ€“ 79 โ†’ LO =
69,5
D6 = 6N/10 = 24, SEHINGGA F = 16 DAN F = 14
D6 = ๐ฟ๐‘œ + ๐‘–
6๐‘›
10
โˆ’๐น
๐‘“
= 69,5 + 10
24 โˆ’16
14
= 75,2
4. P27 = 27N/100 = 1080/100 = 10,8 โ†’ BERADA DI KELAS 3 โ†’ 70 โ€“ 79 โ†’
LO = 69,5
P27 = 27N/100 = 10,8; SEHINGGA F = 16 DAN F = 14
P27 = ๐ฟ๐‘œ + ๐‘–
27๐‘›
100
โˆ’๐น
๐‘“
= 69,5 + 10
10,8 โˆ’16
14
= 65,8
5. P80 = 80N/100 = 3200/100 = 32 โ†’ BERADA DI KELAS 4 โ†’ 80 โ€“ 89 โ†’
LO=79,5
P80 = 80N/100 = 32, SEHINGGA F = 30 DAN F = 6
P80 = ๐ฟ๐‘œ + ๐‘–
80๐‘›
100
โˆ’๐น
๐‘“
= 79,5 + 10
32 โˆ’30
6
= 82,8
SEKIAN
DAN
TERIMA KASIH
BY:
ZULFA SUSAN ELYANA (1615310001)
UNIVERSITAS PEMBANGUNAN PANCA BUDI

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Ukuran letak data presentation

  • 1. UKURAN LETAK DATA BY: ZULFA SUSAN ELYANA (1615310001) FAKULTAS EKONOMI DAN BISNIS PROGRAM STUDI MANAJEMEN SEMESTER II (DUA) UNIVERSITAS PEMBANGUNAN PANCA BUDI
  • 2. UKURAN LETAK DATA โ€ข KUARTIL (Q) KUARTIL ADALAH UKURAN LETAK YANG MEMBAGI SUATU DISTRIBUSI MENJADI 4 BAGIAN YANG SAMA. KUARTIL TERBAGI MENJADI 2 JENIS YAITU KUARTIL DATA TUNGGAL DAN KUARTIL DATA BERKELOMPOK: 1. KUARTIL DATA TUNGGAL a. KUARTIL PERTAMA/BAWAH Q1 = 1(๐‘›+1) 4 b. KUARTIL KEDUA/TENGAH Q2 = 1(๐‘›+1) 4 c. KUARTIL KETIGA/ATAS Q3 = 3(๐‘›+1) 4
  • 3. 2. KUARTIL DATA KELOMPOK SECARA UMUM RUMUS UNTUK KUARTIL DATA BERKELOMPOK ADALAH: ๐‘ธ๐’Š = ๐‘ณ๐’ + ๐’Š ๐’Š๐’ ๐Ÿ’ โˆ’ ๐‘ญ ๐’‡ KETERANGAN: LO = TEPI BAWAH KELAS KUARTIL N = BANYAK DATA F = FREKUENSI KUMULATIF SEBELUM KELAS KUARTIL F = FREKUENSI KELAS KUARTIL I = INTERVAL/PANJANG KELAS
  • 4. โ€ข DESIL (D) DESIL MEMBAGI DATA MENJADI SEPULUH BAGIAN YANG SAMA BESAR. DESIL DIBAGI MENJADI 2 JENIS YAITU DESIL DATA TUNGGAL SERTA DESIL DATA BERKELOMPOK: 1. DESIL DATA TUNGGAL RUMUS SECARA UMUM: DI = ๐’Š(๐’+๐Ÿ) ๐Ÿ๐ŸŽ 2. DESIL DATA KELOMPOK RUMUS SECARA UMUM: DI = ๐‘ณ๐’ + ๐’Š ๐’Š๐’ ๐Ÿ๐ŸŽ โˆ’๐‘ญ ๐’‡ KETERANGAN: LO = TEPI BAWAH KELAS DESIL N = BANYAK DATA F = FREKUENSI KUMULATIF SEBELUM KELAS DESIL F = FREKUENSI KELAS DESIL I = INTERVAL/PANJANG KELAS
  • 5. โ€ข PERSENTIL (P) PERSENTIL ADALAH DATA YANG TERBAGI MENJADI 100 BAGIAN YANG SAMA. PERSENTIL DIBAGI MENJADI DUA BAGIAN, YAITU: 1. PERSENTIL DATA TUNGGAL RUMUS SECARA UMUM: PI = ๐’Š(๐’+๐Ÿ) ๐Ÿ๐ŸŽ๐ŸŽ 2. PERSENTIL DATA TUNGGAL RUMUS UNTUK PERSENTIL BERKELOMPOK: PI = ๐‘ณ๐’ + ๐’Š ๐’Š๐’ ๐Ÿ๐ŸŽ๐ŸŽ โˆ’๐‘ญ ๐’‡ KETERANGAN: LO = TEPI BAWAH KELAS PERSENTIL N = BANYAKNYA DATA F = FREKUENSI KUMULATIF SEBELUM KELAS PERSENTIL F = FREKUENSI KELAS PERSENTIL I = INTERVAL/PANJANG KELAS
  • 6. SOAL: UKURAN LETAK DATA โ€ข DATA NILAI STATISTIKA BERIKUT INI : Nilai Frekuensi 50 โ€“ 59 60 โ€“ 69 70 โ€“ 79 80 โ€“ 89 90 โ€“ 99 6 10 14 6 4 Jumlah 40
  • 7. TENTUKAN: 1. KUARTIL 2 ! 2. KUARTIL 3 ! 3. DESIL 6 ! 4. PERSENTIL 27 ! 5. PERSENTIL 80 !
  • 8. PENYELESAIAN SOAL UKURAN LETAK DATA 1. Q2 = 2N/4= 80/4= 20 โ†’ BERADA DI KELAS KETIGA โ†’ 70 โ€“ 79 โ†’ LO = 69,5 Q2 = 2N/4= 20, SEHINGGA F = 16 DAN F = 14 Q2 = ๐ฟ๐‘œ + ๐‘– 2๐‘› 4 โˆ’๐น ๐‘“ = 69,5 + 10 20 โˆ’16 14 = 72,3 2. Q3 = 3N/4= 120/4= 30 โ†’ BERADA DI KELAS KEEMPAT โ†’ 80 โ€“ 89 โ†’ LO=79,5 Q3 = 3N/4= 30, SEHINGGA F = 30 DAN F = 6 Q3 = ๐ฟ๐‘œ + ๐‘– 3๐‘› 4 โˆ’๐น ๐‘“ = 79,5 + 10 30 โˆ’ 30 6 = 79,5
  • 9. 3. D6 = 6N/10 = 240/10 = 24 โ†’ BERADA DI KELAS 3 โ†’ 70 โ€“ 79 โ†’ LO = 69,5 D6 = 6N/10 = 24, SEHINGGA F = 16 DAN F = 14 D6 = ๐ฟ๐‘œ + ๐‘– 6๐‘› 10 โˆ’๐น ๐‘“ = 69,5 + 10 24 โˆ’16 14 = 75,2 4. P27 = 27N/100 = 1080/100 = 10,8 โ†’ BERADA DI KELAS 3 โ†’ 70 โ€“ 79 โ†’ LO = 69,5 P27 = 27N/100 = 10,8; SEHINGGA F = 16 DAN F = 14 P27 = ๐ฟ๐‘œ + ๐‘– 27๐‘› 100 โˆ’๐น ๐‘“ = 69,5 + 10 10,8 โˆ’16 14 = 65,8 5. P80 = 80N/100 = 3200/100 = 32 โ†’ BERADA DI KELAS 4 โ†’ 80 โ€“ 89 โ†’ LO=79,5 P80 = 80N/100 = 32, SEHINGGA F = 30 DAN F = 6 P80 = ๐ฟ๐‘œ + ๐‘– 80๐‘› 100 โˆ’๐น ๐‘“ = 79,5 + 10 32 โˆ’30 6 = 82,8
  • 10. SEKIAN DAN TERIMA KASIH BY: ZULFA SUSAN ELYANA (1615310001) UNIVERSITAS PEMBANGUNAN PANCA BUDI