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Statistics And Research Methods For Business Decision Making Assignment

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Added on  2021-02-19

Statistics And Research Methods For Business Decision Making Assignment

   Added on 2021-02-19

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Statistics and Research Methodsfor Business Decision Making
Statistics And Research Methods For Business Decision Making Assignment_1
Table of ContentsQuestion 1: ......................................................................................................................................1(a) Graphical Representation of CO2 Emissions by producer countries for 2009 and 2013 inmetric tonnes..........................................................................................................................2b) Graphical Representation of CO2 Emissions by producer countries for 2009 and 2013 inpercentage...............................................................................................................................2(c) Comments on Part (a) and (b)...........................................................................................3Question 2........................................................................................................................................5a) Frequency and Relative frequency.....................................................................................5b) Cumulative Frequency and Cumulative Relative Frequency.............................................6c) Relative Frequency histogram............................................................................................7d) An O-Give curve for the data.............................................................................................8e) Proportion of data which is less than 65.............................................................................9f) Proportion of data which is more than 75.........................................................................10Question 3......................................................................................................................................11a) Graphical Descriptive Measure of two variables.............................................................11b) Scatter Plot.......................................................................................................................13c) Numerical Summary Plot.................................................................................................14d) Correlation coefficient.....................................................................................................16
Statistics And Research Methods For Business Decision Making Assignment_2
Statistics And Research Methods For Business Decision Making Assignment_3
Question 1: The planet may be threatened by climate change due to unsustainable activities, possiblycaused byburning fossil fuels (petroleum, natural gas and coal) that produce carbon dioxide (CO 2 ). Thetablestored as shown by lists the top 15 producers of CO 2 (millionsof metric tonnes) from fossil fuels in 2009 and 2013.SolutionsOne of the main reasons of climate change can be attributed to the conduction ofunsustainable activities undertaken by various industries operating across the world in variouseconomies. One of the most significant contributors to climate change is the emission of CarbonDioxide which is produced by different countries on a large scale. Carbon Emissions are mostlycaused due to a continual burning of fossil fuels such as Petroleum, Natural Gas and Coal amongothers over a large period of time. In the context of given case scenario, data regarding Top 15Producer countries has been extracted from a report named, EDGAR: Trends in Global CO2Emissions: 2014 andhas been presented as under:Top 15 CO2 Producers (in millions of metric tonnes)Country (A)2009 (B)2013 (C)CO2 Emissions (% change) (D)United States59575300-11.03%China53231033094.07%Russia169618006.13%Japan1230136010.53%India1166207077.58%Germany844840-0.50%Canada631550-12.88%United Kingdom577480-16.84%South Korea50063026.10%Italy467390-16.42%Iran451410-9.03%South Africa424330-22.13%France415370-10.91%1
Statistics And Research Methods For Business Decision Making Assignment_4
Saudi Arabia41249018.82%Australia407390-4.08%Source: EDGAR: Trends in Global CO2 emissions: 2014 ReportBased on these figures, the following graphical representations have been presented inpart (a) and (b) with critical commentary on the same provided in part (c):(a) Graphical Representation of CO2 Emissions by producer countries for 2009 and 2013 inmetric tonnesUnited StatesChinaRussiaJapanIndiaGermanyCanadaUnited KingdomSouth KoreaItalyIranSouth AfricaFranceSaudi ArabiaAustralia02000400060008000100001200059575323169612301166844631577500467451424415412407530010330180013602070840550480630390410330370490390Carbon Dioxide Emissions by Producer Countries(for 2009 and 2013)20132009Emission (in millions of metric tonnes)Countriesb) Graphical Representation of CO2 Emissions by producer countries for 2009 and 2013 inpercentage2
Statistics And Research Methods For Business Decision Making Assignment_5
Unit...CRuJIGeCUnit...SouIIranSout...FrSaud...Aus-0.4-0.200.20.40.60.811.2-11.03%94.07%6.13%10.53%77.58%-0.50%-12.88%-16.84%26.10%-16.42%-9.03%-22.13%-10.91%18.82%-4.08%Percentage Change in CO2 Emissions(2009-13)Producer CountriesPercentageChange(c) Comments on Part (a) and (b)Part (a) provides a graphical representation of CO2 Emissions in a comparative format.For this purpose, column (A) to (C) of the aforementioned dataset has been taken into account.This mainly relates to the producer countries and their emission values, measured in millions ofmetric tonnes for the years 2009 and 2013. By analysing the chart in part (a), one can easily get acomparative idea regarding how the emission of Carbon Dioxide has increased for each producercountry between 2009 and 2013. Here, a Bar Chart has been chosen as the most appropriategraphical representation technique as it enables the user to easily observe the bars and get anoverall idea regarding the changes in CO2 Emissions. Based on this graph, one can see that thetop three contributors of emitting excessive Carbon Dioxide in the environment pertain to China,USA and India respectively. China produced 5323 million metric tonnes of CO2 in 2009 whichincreased to 10330 million metric tonnes in 2013 which is the highest amount of Carbon Dioxideany country has ever emitted. This means there is a 5007 million metric tonnes rise in theiremissions. It is interesting to note that while China continues to lead this list, USA and Indiahave a rather opposite trend. For instance, USA has taken some serious measures to control itsoverall CO2 emissions over the years, even though it manages to rank second among all the otherproducer countries of this list. Conversely, India has significantly increased its overall emissionsof Carbon Dioxide between 2009 and 2013. Thus, indicating that there are hardly any significant3
Statistics And Research Methods For Business Decision Making Assignment_6

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