STATISTICS

Norma Trialisa Selviane Andini

Widyaestifa Adinugraheni Yeshie Agustin Fadhilah

IX E

SMP NEGERI 2 SINDANGMURAHNARA STREET NO 5. (0234) 272032 Fax. 0234 -

275803Website : www.smpn2sindang.sch.idE-mail : info@smpn2sindang.sch.id

INDRAMAYU 45221

Statistics is closely related to data

Data is an information obtained from the result of observation or research.

The singular form of data is DATUM

Data adalah suatu informasi (keterangan) yang diperoleh dari hasil pengamatan atau penelitian

Bentuk tunggal dari data yaitu DATUM

The Types of Data

• Qualitative data are data related to the category or characteristic of an object, for example : the most favorite subjects (mathematics, biology, english, phisycs, etc), parent highest education (elementary school, JHS, SHS, or college) and so on

• Data qualitatif adalah data yang berhubungan dengan kategori atau karakteristik (sifat) suatu objek. Contohnya data mengenai mata pelajaran yang disukai ( matematika, biologi, b.inggris, fisika,dll) pendidikan tertinggi orangtua ( SD, SMP, SMA, atau perguruan) dsb

• Quantitative data are obtained from the result of numerical recording (in the form of figures). For example : data about height (145cm, 150cm, 152cm, etc), the number of students in the school (800 students, 1000 students, etc)

• Data quantitatif adalah data yang diperoleh dari hasil pengukuran yang bersifat numerik (berupa angka). Contoh : data mengenai tinggi badan (145cm, 150cm, 152cm, dll), banyak siswa disekolah (800 siswa, 1000 siswa, dll)

From the data that have been analyzed we can draw a conclusion.

Dari data yang telah dianalisis barulah dapat ditarik suatu kesimpulan

Our observation

From the voting in IX E we can make the conclusion about :

Daily pocket moneyThe most difficult subject

DAILY POCKET MONEY

Daily pocket money

No Mark Tally Frequency Sum

1 Rp5000 I 1 5,000

2 Rp10000 IIII IIII IIII II 16 160,000

3 Rp15000 IIII 5 75,000

4 Rp20000 IIII II 7 140,000

TOTAL 29 380,000

Mode = Rp10,000

Median = = 29 = 15 , so the median is the 15th = Rp 10,000

Mean ↔ ∑ = 380,000 = Rp 13,103

2

F 29

DIAGRAMS

Pie Charts

Rp 5,000Rp 10,000Rp 15,000Rp 20,000

Bar Charts

Rp5,000

Rp10,000

Rp15,000

Rp20,000

0 2 4 6 8 10 12 14 16 18

Line Charts

Rp 5,000 Rp 10,000 Rp 15,000 Rp 20,0000

2

4

6

8

10

12

14

16

18

THE MOST DIFFICULT SUBJECT

The Most Difficult SubjectNo Mark Tally Frequency

1 Civil IIII I 6

2 French II 2

3 Indramayu Language IIII 4

4 Japanese III 3

5 Mathematics IIII 4

6 Physics IIII IIII 10

29

Mode : Physics

DIAGRAMS

Pie Charts

CivilFrenchIndramayu LanguageJapaneseMathematicsPhysics

Bar Charts

Civil

French

Indramyu Language

Japanese

Mathematics

Physics

0 1 2 3 4 5 6 7 8 9 10

4251 3

0011 0010 1010 1101 0001 0100 1011

Line Charts

Civil

Frenc

h

Indr

amay

u Lan

guag

e

Japa

nese

Math

emati

cs

Physic

s0

2

4

6

8

10

12

“ Feel it Believe it Dream it Be it”