logo

Statistics And Research Methods for Business

   

Added on  2022-09-18

6 Pages700 Words35 Views
1
Statistics and Research Methods for Business Decisions
By:
Instructor:
Course Title:
Institution:
Statistics And Research Methods for Business_1
2
Question 1
a) The following column graph exhibits the amount of CO2 emissions in 2009
and 2013 by various countries.
United States
China
Russia
Japan
India
Germany
Canada
United Kingdom
South Korea
Italy
Iran
South Africa
France
Saudi Arabia
Australia
0
4000
8000
12000
Column graph showing CO emissions
2009 2013
Countries
Amount
b) The following column graph exhibits the percentage of CO2 emissions in 2009
and 2013 by various countries.
United States
China
Russia
Japan
India
Germany
Canada
United Kingdom
South Korea
Italy
Iran
South Africa
France
Saudi Arabia
Australia
0%
20%
40%
Column graph showing percenatge emissions of
CO2
2009 2013
Countries
Percentage
c) The above graphs exhibit that the United states emitted the highest amount of
CO levels in 2009 and 2013. Moreover, it is evident that Saudi Arabia
recorded the least amount and percentage of emissions.
Question 2
5
9
60 81 74 68 66 49 76 6
3
67
6
9
35 65 61 43 72 83 65 6
9
70
5
4
61 38 92 72 74 55 63 6
9
73
7 47 60 62 68 51 71 73 6 99
Statistics And Research Methods for Business_2
3
5 8
a) Frequency distribution
Classes Frequenc
y
Relative
Frequenc
y
Cumulative
Frequency
Cumulative Relative
Frequency
35 - 45 3 8% 3 8%
45 - 55 5 13% 8 20%
55 - 65 10 25% 18 45%
65 - 75 17 43% 35 88%
75 - 85 3 8% 38 95%
85 - 95 1 3% 39 98%
95 -
105
1 3% 40 100%
b) Relative frequency
c) Relative frequency histogram
35 - 45 45 - 55 55 - 65 65 - 75 75 - 85 85 - 95 95 - 105
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
Relative Frequency Histogram
Relative Frequency
d) Ogive for the data
Statistics And Research Methods for Business_3

End of preview

Want to access all the pages? Upload your documents or become a member.

Related Documents
Analysis of CO2 Emission, Welding Time, and Inflation Rate in Australia
|7
|880
|269

Statistics: CO2 Emissions, Welding Time Data Analysis, Inflation Rates and All Ordinaries Index
|12
|1201
|393

Statistics Assignment with CO2 Emission and Regression Analysis
|10
|703
|79

Statistics for Business: Carbon Emissions, Frequency Distribution, Time Series Plots
|10
|776
|110

Statistics and Research Methods in Business Decision Making
|14
|1681
|39

Statistics and Research Methods for Business Decision Making
|12
|1297
|263