statistic 4

STATISTIC

Group III : * Indah Sekar Sari * Putri Mauliddini W * Regita Dwi Utami * Retna Ayu T.K.D * Yenny Fazriani

Definition Of :

Statistics is the science or scientific method of collecting, organizing, processing, presenting and analyzing data and drawing conclusion according to the result of the data analysis.

Data are information obtained from the result of observation or research.

Single data only consist of relative small data The mode is the value which appears most

often or the value of highest frequency. The median is the middle value after the data

are ordered.

Data of class VIII C

1. Number of vehicles owned by student

Transportations Number of vehicles owned by student

Cars 22

Motorcycle 58

Bicycle 60

Given that data :

Mean of motorcycle = sum of all valuesnumber of data= 5827= 2.15

Mean of car = sum of all valuesnumber of data= 2227= 0.18

Mean of bicycle = sum of all valuesnumber of data= 6027= 2.22

Mean of all data = sum of all valuesnumber of

data= 22 + 58 + 60

27= 140

27= 5.18

Mode = 60 (bicycle ) Median = 58 (car)

Diagram

15%

42%

43%

number of vehicles owned by students

Car

Motorcycle

Bicycle

2. Number of vehicles used for school

Transportations

Frequency

Cars8

Motorcycle 16

Bicycle 3

Mean = sum of all valuesnumber of data

= 8+16+3 3= 9

Mode = Motorcycle (16) Median = Cars (8)

Diagram:

56%33%

11%

number of vehicles used for school

Mototcycle

Car

Bicycle

3. Vehicles used by fathers :

Transportation

frequency

Cars 11

Motorcycles 13

Bicycles 1

Given that :

Mean = sum of all datanumber of data

= 11 + 13 + 1 27

= 0.93

Median = Cars (11) Mode = Motorcycle (13)

Diagram :

46%

50%

4%

Father’s Vehicle

Car Motorcycle Bicycle

4. Vehicles used by mothers :

Transportations

Frequency

Cars 6

Motorcycle 17

Bicycle 1

Given That :

Mean = sum of all datanumber of data

= 6+17+1 3

= 8 Median = Cars (6) Mode = Motorcycles (17)

Diagram :

25%

71%

4%

Mother's Vehicles

CarMotorcycleBicycle

5. Vehicles Used by Daughters :

Transportations

frequency

Cars 1

Motorcycle 15

Bicycle 6

Given that :

Mean = sum of all datanumber of data

= 1+15+6 3

= 7.3 Median = Bicycle (6) Mode = Motorcycle (15)

Diagram :

5%

68%

27%

daughter's vehicles

carmotorcyclebicycle

Data of class VIII F

Favorite music :

Favorite Music Frequency

Western 12

Korean 1

Indonesian 15

GivenThat :

Mean = sum of all datanumber of data

= 12+1+15 3

= 9.3 Mode = Indonesian (15) Median = Western (12)

Diagram :

43%

4%

54%

favorite music

westernkoreanindonesia

Favorite foods :

Favorite Foods Frequency

Western Food 0

Indonesian Food 27

Diagram :

100%

favorite foods

westernindonesia

The Ways To Decreasing Global Warming :

By Go Green By saving energy

By decreasing using CFC

21 6 6

Given that :

Median = Saving energy (6)

Mean = sum of all datanumber of data

= 21+6+6 3

= 11

Mode = Go Green (21)

Diagram :

64%

18%

18%

The Ways To Decreasing Global Warming

Go Green Decrease CFC Saving Energy

THANK FOR YOUR ATTENTION