
Statistika
Presentation
•
Mathematics
•
7th Grade
•
Hard
Lia Amaliyah
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5 Slides • 0 Questions
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Penyajian Data
By Lia Amaliyah
Mata Pelajaran : Matematika
Kelas : VII (tujuh)
Sekolah : SMP Negeri 38 Bekasi
2
By Lia Amaliyah
1. Pengertian Data
Data adalah kumpulan fakta-fakta atau keterangan yang diperlukan mengenai sesuatu.
Jenis data: Data kualitatif dan Data kuantitatif
Cara pengumpulan data: Mencacah, Mengukur dan Mencatat
2. Pengertian Populasi dan Sampel
Populasi adalah himpunan semua objek yang menjadi target dari peneliti dalam penelitian.
Sampel adalah himpunan bagian dari populasi yang diolah oleh peneliti untuk memperoleh keterangan dan menyimpulkan tentang keadaan populasi.
3
By Lia Amaliyah
Nama Data | Frekuensi |
|---|---|
| |
| |
| |
Nilai | Frekuensi | Jumlah |
|---|---|---|
4 | 2 | 8 |
5 | 3 | 15 |
6 | 5 | 30 |
7 | 6 | 42 |
8 | 4 | 32 |
| 20 | 127 |
data
4
By Lia Amaliyah
b. Penyajian Data yang Dikelompokkan
Rentang (R) = data terbesar – data terkecil
K = 1 + 3,3 log n
Keterangan:
K = banyaknya kelas interval
n = banyaknya data
Keterangan:
P = panjang kelas interval
R = rentang atau jangkauan
K = banyak kelas interval
5
By Lia Amaliyah
Penyajian Data
By Lia Amaliyah
Mata Pelajaran : Matematika
Kelas : VII (tujuh)
Sekolah : SMP Negeri 38 Bekasi
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