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