
Statistika 2
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Eka Yulitasari
FREE Resource
26 Slides • 0 Questions
1
Eka Yulitasari, M.Pd.
SMAIT IQRA’ Kota Bengkulu
Statistika
2
Pertemuan
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Ukuran Pemusatan Data
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FIND OUT
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Carilah 5 kata yang terkait statistika
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Carilah 5 kata yang terkait statistika
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S
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K
A
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J
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DATA
MODUS
MEDIAN
MEAN
INTERVAL
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Ukuran Pemusatan Data
Mean (Rata-rata)
Median (Nilai Tengah)
Data diurutkan
Modus (Sering Muncul)
7
Mean (Rata-rata)
Diberikan data
sebagai berikut
17, 24, 27, 25, 18,
15, 27, 15, 12, 20
Tentukan meannya
Data Tunggal
Jawab :
8
Mean (Rata-rata)
•
Nilai
Frekuensi
150 – 152
153 – 155
156 – 158
159 – 161
162 – 164
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16
40
28
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Data Berkelompok
Tentukan rata-rata
data disamping
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Breakout Rooms
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PRESENTING
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Tugas Individu
Cari 1 bentuk penyajian data
berkelompok (tabel, histogram,
poligon, dll), tentukan rata-rata
data tersebut dengan 3 rumus.
Setiap siswa berbeda data
yaa…
12
Hikmah
Pembelajaran
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PERTEMUAN 3
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Opener
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Median (Nilai Tengah)
Diberikan data
sebagai berikut
17, 24, 27, 25, 18,
15, 27, 15, 12, 20
Tentukan mediannya
Data Tunggal
16
Median (Nilai Tengah)
•
Nilai
Frekuensi
150 – 152
153 – 155
156 – 158
159 – 161
162 – 164
6
16
40
28
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Data Berkelompok
Tentukan median
data disamping
17
Median (Nilai Tengah)
Nilai
Frekuensi
150 – 152
153 – 155
156 – 158
159 – 161
162 – 164
6
16
40
28
10
18
Modus (Nilai yang sering
muncul)
•
Nilai
Frekuensi
150 – 152
153 – 155
156 – 158
159 – 161
162 – 164
6
16
40
28
10
Data Berkelompok
Tentukan modus
data disamping
19
Modus (Nilai yang sering
muncul)
Nilai
Frekuensi
150 – 152
153 – 155
156 – 158
159 – 161
162 – 164
6
16
40
28
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Kelas modus : 156 – 158
Tb = 156 – 0,5 = 155,5
d1 = 40 – 16 = 24
d2 = 40 – 28 = 12
p = 150, 151, 152 = 3
p = (158 – 156) + 1 = 3
20
1. Rumus Biasa
Nilai
Frekuensi
(f)
150 – 152
153 – 155
156 – 158
159 – 161
162 – 164
6
16
40
28
10
(150+152)/2 = 151
(153+155)/2 = 154
(156+158)/2 = 157
(159+161)/2 = 160
(162+164)/2 = 163
6x151=906
16x154=2464
40x157=6280
28x160=4480
10x163=1630
100
15760
21
Mean (Rata-rata)
Diberikan data sebagai berikut
17, 24, 27, 25, 18, 15, 27, 15, 12, 20
Tentukan mean, median dan modusnya
12, 15, 15, 17, 18, 20, 24, 25, 27, 27
Data Tunggal
22
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24
25
26
Semoga
Bermanfaat
Terima Kasih
Eka Yulitasari, M.Pd.
SMAIT IQRA’ Kota Bengkulu
Statistika
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