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Members : Agung Basovi Ahmad Fahmi Alwi Abdus Sa’ied R. Nadya Ayu DiantiWindy Angreani
SENTOT ABADI GROUP
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STATISTICS
Statistics is the science or a scientific method of colectting, organizing, processing, presenting, and analyzing data and drawing a conclusion according to the result of the data
analysis
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Data are information obtained from the result of observation or research.
Data collection can be performed through interviews or questionnaries followed by counting, measuring, or recording data using tallies
Data can be presented in two forms namely a table, or a list and a graph or a diagram
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The Measures of central tendency consist of mean, mode, medianMean or the average value of a group of data is formulated Mean =
Mode is the value which appears most often or the value of highest frequencyMedian is the middle value after the data ordered
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The Presentation of data in the form of a diagram includes Direct Diagram (pictogram), Bar Chart, Line Graph , and Pie Diagram
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5
18
46
5
2
54
23
Favorite Teacher
Mr.FUJI Mr.YOKO Mrs.RINA Mr.MASMr.SAEF Mr.PENDI Mrs.YETI Mr.TOMOMrs.TRI Mr.KARYONO
Observation Result 7B
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VALUES FREQUENCY
MR. FUJI 5
MR. YOKO 18
MRS.RINA 4
MR. MAS 6
MR. SAEF 5
MR. PENDI 2
MRS. YETI 5
MR. TOMO 4
MRS. TRI 2
MR. KARYONO 3
TOTAL 54
Mean 5,4Median : = 27
(Mrs.Rina)
Mode: Mr. Yoko
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Favorite Color
0
2
4
6
8
10
12
14
16
8
11
6
2
9
32
12
1
15 GreenRedWhitePurplePinkYellowBlackGoldBrownOrangeBlue
VALUE
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VALUE FREQUENCY
GREEN 8
RED 11
WHITE 6
PURPLE 2
PINK 9
YELLOW 3
BLACK 2
GOLD 1
BROWN 2
ORANGE 1
BLUE 15
TOTAL 60
Mean
5.5
Median = (Pink)
Mode = Blue
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Transportation to go to school
0
1
2
3
4
5
6
7
8
9
10
8
1
10
4
6
Car Walking Motorcycle Pedicap Bicycle
VA
LUE
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VALUE FREQUENCY
CAR 8
WALKING 1
PEDICAB 4
MOTORCYCLE 10
BYCYCLE 6
TOTAL 29
Mean 5.8 Median : 15
(Motorcycle)
Mode : motorcycle
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Mata Pelajaran
0
2
4
6
8
10
12
6
1
45
7
3
12
3 3
Geography Biology Japan Indonesia English
Physic History Mathematics Economics
VALU
E
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VALUE FREQUENCY
GEOGRAPHY 6
BIOLOGY 1
JAPAN 4
INDONESIA 5
ENGLISH 7
PHYSIC 3
HISTORY 12
MATH 3
ECONOMIC 3
TOTAL 44
Mean 4.88 Median = 22
(English)
Mode = History
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925
44
24
Ownership
Servant Car Motorcycle Bicycle
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VALUE FREQUENCY
SERVANT 9
CAR 25
BICYCLE 24
MOTORCYCLE 44
TOTAL 102
Mean 25.5
Median = 51
Mode = Motorcycle
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Doctor
Teacher
Soldier
architect
Artist
Police
Football player
entrepreneur
Expectation
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VALUE FREQUENCY
DOCTOR 18
TEACHER 1
SOLDIER 3
ARCHITECT 1
ARTIST 1
POLICE 2
FOOTBAL PLAYER
3
ENTERPRENEUR 2
TOTAL 31
Mean
3.88
Median = 17 (Doctor)
Mode = Doctor
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exercise
Good luck
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SMP
SD 45%
Tidak berpen
didikan 8%
SMA 12%
Diagram Lingkaran di samping menunjukan latar belakang pendidikan orang tua siswa di suatu sekolah. Jika jumlah orang tua siswa di sekolah tersebut 900 orang, banyak orang tua siswa yang berlatar belakang pendidikan SMP adalah ...
A. 385 orangB. 375 orangC. 350 orangD. 315 orang
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Dalam suatu tim sepak bola, rata-rata tinggi 10 orang pemain adalah 165 cm. Ketika penjaga gawang ikut bergabung rata-rata mereka naik 1 cm. Tinggi penjaga gawang tersebut adalah ...
A) 176 cmB) 166 cmC) 165 cmD) 154 cm
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Sepak bola138°
Voli
Basket
T.Meja
60°
Column1 Diagram disamping menunjukan data dari 300 anak yang gemar sepak bola, tenis meja, voli, dan basket. Banyak anak yang gemar bermain basket adalah...
A. 30 orangB. 40 orangC. 50 orangD. 60 orang
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nilai rata- rata siswa wanita di suatu kelas 65, sedangkan nilai rata- rata pada pria 72. jika jumlah siswa di kelas itu 35 orang dan nilai rata-rata seluruh siswa 69, maka banyak siswa pria adalah...
A. 15 orang B. 17 orangC. 20 orangD. 25 orang
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Score Frequency
35 7
36 20
37 12
38 10
39 4
40 1
median dari data di samping adalah ...A. 36B. 36,5C. 37D. 37,5
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Tabel di atas menyajikan nilai ulangan matematik siswa kelas 2 SLTP di jakarta.
Seorang siswa dapat ikut lomba matematik tingkat nasional bila mendapatkan nilai sekurang-kurangnya 7 . Banyak siswa yang ikut lomba matematik adalah...
Nilai 4 4,5 5 6,0 6,5 7 8 9
Banyak siswa 3 7 10 5 5 4 3 3
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PKN45°
IPA45°
IPS170°
MATEMATIK
Diagram di samping ini data dari siswa dalam suatu kelas yang gemar IPA, IPS, PKN, Matematika. Apabila banyak siswa dalam kelas itu 72 orang maka banyak siswa yang gemar matematika adalah...
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Berikut data jumlah penduduk (dalam jutaan orang) di suatu kota dari tahun 1999-2004 di sajikan dalam bentuk diagram garis dibawah ini.
Perbedaan jumlah penduduk di kota tersebut tahun 2000 dengan 2003 adalah...A. 1.200.000 orangB. 1.600.000 orangC. 1.800.000 orangD. 1.950.000 orang
1999 2000 2001 2002 2003 20040
1
2
3
4
5
6
1.52
4
3 3.2
5
tahun
jum
lah