商业报告英文版.docx

商业报告英文版.docx

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商业报告英文版

商业报告-英文版

Restaurantdataanalysisreport

Content

Executivesummary

Investigationisundoubtedveryimportantforbusinessandpersonal.Theauthorofthispaperthinkthatmanyelementsshouldbeconsideredtomakeabetterunderstandingofwhetheranelegantrestaurantwillbesuccessfullyconstructed.Inotherwords,itisnecessarytoknowmoreinformationaboutthemarket.Inthisreport,thesoftwareofSPSSwillbeusedtoanalyzethedataandstatisticalmethodswillbeinterpretedinthecase.

Introduction

MichaelJenkinsisgoingtooperatehisownrestaurantandheaskedtheresearchfilmtoconductasurvey.Thepurposeofthesurveywastoexploremoreinformationtoverifytheprobabilityofthesuccessinhisrestaurantandthengivingsomeusefulinformationtohelphimmakedecisions.Thereportwillanalyzethemarketinfluencefactorsandusestatisticalmethodssuchasuni-variate,bi-variateandmulti-variatetomakethedatamoremeaningful.Attheend,somerecommendationsbasedontheanalysisresultwillbegiven.

Methodsofanalysis

Dataanalysisshouldbedifferentindifferentproblems（Pallant,2010）.Inthistheprocedureofthedataanalysis,theapproachofthedataanalysisincludeasbelow.

Thedescriptivestatisticisabriefdescriptionofthecharacteristicsofthedata,suchasmean,varianceandothers.

TheindependentsampleTtestisoneoftheuni-variateanalyses.Thistestmethodisapplicabletotheassumptionofthepopulationwhosedistributionisnormal,populationvarianceisunknown（Larson,2010）.Andthistestisusedtodistinguishthedifferenceofthemeanbetweenthesampleandthepopulation.

Thepairedsamplestestisoneofthebi-variateanalyses.Thetestjudgedwhethertworelatedsamplesarefromthesamepopulationanditalsoassumedthatthedistributionisnormal.Throughcomparingthesignificanceofthestatisticstofthedifferentsamples,thedifferencebetweentwosamplescanbeseen.

Theindependenttesthasthesameprincipleasthepairedsamples.However,itisusedwhentwosamplesareindependentfromeachother.Andtheresultliesinthesignificanceofthestatisticst.

Thesinglefactorofvariancetestisusedwhenthevariateismorethantwo.Anditisthefoundationoftheanalysisofvariance.Thetheoryofthemethodistostudythedegreeofafactoraffectedbyotherfactorsandseewhethertheresultsaresignificant.

Pearsoncorrelationisanalyzedtoseethesimplecorrelationbetweentwofactorsandfindthepotentialmeaning（Luo,2011）.

Analysisoftheeachquestion

Becausethesamplesizeislarge,soassumethatisanormaldistribution（Yang.2011）.

Hypothesis1.Thecostthatpeopledesiretopayforamealisnomorethanthecalculatedvalueof$19.

Thenullhypothesisislikethesubtitleupside.Thealternativehypothesisisthattheaverageamountisnotlessthantheforecastvalue.Weusethedescriptivestatisticsandthengetthefollowingresultasthetable1.

Table1theaveragemealtobepriced

Accordingtothetable,wecanseethatthemeanis19.23morethan19,sorejectthenullhypothesis.

Hypothesis2.Theaveragerevenueofthepeoplesurveyedisdifferentfrom$70,000.

Choosethenullhypothesisastheaverageincomeis$70,000andthealternativehypothesisisnotequalto$70,000.Becausethisisonesample,sotheone-sampletestisused.

Table2One-SampleTest

Fromthetable2wecanseethatthestatisticvalueoftis4.905,thedegreeofthefreedomis399,the95%confidenceintervalis（4247,9927）andtheconfidencelevelofthestatistictis0.000,sorejectthenullhypothesisandwethinkthemeanofthepeoplesurveyedintherevenueisdifferentfrom$70,000.Andthevalueis$77,087.50thatissignificant.

Hypothesis3.Thepreferencedegreeforsimpledécorisequaltothedegreeofelegantdécor.

Choosethenullhypothesisasthepreferenceforthetwosamplesarethesameandthealternativehypothesisisthetwoarenotequal.Themeanofthetwochoicesforthesimpleandelegantare2.26and3.64.Becausethisisthepreferencerelatedtooneperson,whichmeansthetwosamplesarerelated,sothepairedsampletestisused.

Table3PairedSamplesCorrelations

N

Correlation

Sig.

Pair1

ThePreferenceforSimpleDecor&ElegantDecor

400

.838

.000

Fromthetable3wecanseethatthestatisticvalueofcorrelationiso.838,andtheconfidencelevelofthecorrelationtestis0.000,sothetwosampleshavetightrelationshipwitheachother.

Table4PairedSamplesTest

Fromthetable4wecanseethatthestatisticvalueoftis-40.398,thedegreeofthefreedomis399,andtheconfidencelevelofthestatistictis0.000,sothenullhypothesisshouldberejectedandwethinkthedifferencebetweenthetwosamplesissignificant.

Figure1

Figure2

Basedonthechartabove,wecouldknowthatnearly16.5%oftherespondentsfeelpreferenceforthesimpledécor,60.75%oftherespondentsfeelpreferencefortheelegantdécor,sotheelegantoneispreferred.

Hypothesis4.Differentmaritalstatusofpeoplespentdifferentlyinthemeannumberinrestaurantseachmonth.

Thenullhypothesiscouldbethatdifferentmaritalstatusforthetwosamplesarethesameinthemeanamountspentandthealternativehypothesisisthetwoaredifferent.Becausethisisthreekindofmaritalstatuswiththeamountspentinrestaurantsandwewanttoknowthecertaindependentvariable,sothesinglefactoranalysisofvarianceisused.

Table5ANOVA

Fromthetable5,wecanseethatthestatisticvalueofFis99.939,andtheconfidencelevelofthestatistictis0.000,sorejectthenullhypothesisandwethinkthedifferencebetweenthethreekindsofmaritalstatusissignificant.

Figure3

Wecanknowthemeanofdifferentformofthemaritalstatusfromfigure3.Themeanamountspendforthemarriedishigherthantheother.Itis232.6,soitisthecategorythatspendsmost.

Hypothesis5.Meanpreferenceforjazzcombo=theaveragepreferenceforstringquartet.

Choosethenullhypothesisasthemeanpreferenceforthetwosamplesarethesameandthealternativehypothesisisthetwoarenotequal.Themeanofthepreferenceforjazzandstringare2.40and3.39.Becausethisisthepreferencerelatedtooneperson,whichmeansthetwosamplesarerelated,sothepairedsampletestisused.

Table6PairedSamplesCorrelations

N

Correlation

Sig.

Pair1

PreferJazzCombo&PreferStringQuartet

400

.885

.000

Fromthetable6wecanseethatthestatisticvalueofcorrelationiso.885,andtheconfidencelevelofthecorrelationtestis0.000,sothetwosampleshavetightrelationshipwitheachother.

Table7PairedSamplesTest

Fromthetable7wecanseethatthestatisticvalueoftis-33.469,thedegreeofthefreedomis399,andtheconfidencelevelofthestatistictis0.000,soweshouldacceptthealternativehypothesisandwethinkthedifferencebetweenthetwosamplesissignificant.

Figure4

Figure5

Basedonthechartabove,wecouldknowthatnearly60%oftherespondentsfeelpreferenceforthestringcombo,35%oftherespondentsfeelpreferenceforthejazzcombo,sothestringoneispreferred.

Hypothesis6.Theprobabilityofattendingandthepartofthenewspaperthatisreadbypeoplehavearelationshipwitheachother.

Thenullhypothesisisnoassociationbetweenthevariateandthealternativehypothesisisassociation.WechoosethePearsoncorrelationtest.

Table8Correlations

Itisobviouslythecorrelationbetweenthetwoisweak,thevalueisonly-0.023,andtheconfidencelevelisnotsignificant.

Table9

Frequency

Percent

ValidPercent

CumulativePercent

Valid

Editorial

104

12.3

26.0

26.0

Business

112

13.2

28.0

54.0

Local

94

11.1

23.5

77.5

Classifieds

90

10.6

22.5

100.0

Total

400

47.2

100.0

Missing

System

448

52.8

Total

848

100.0

Thefrequencyanalysisofthesectionindicatesthatthebusinesspartofthenewspaperisabetterchoiceforadvertising,itaccountsfor13.2%andthefrequencyis112.

Hypothesis7.Differentpostcodeshavedifferenttendencytopayforamealintheaveragespending.

ThenullhypothesisisnodifferencebetweentheA,B,C,Dpostcodesandtheaveragemoneypeoplepaidforamealand,thealternativehypothesisisdifferent.Duetothisisfourkindsofpostcodeswiththeaveragepricepeoplearemorelikelytospendonamealandwewanttoknowthecertaindependentvariable,sothesinglefactoranalysisofvarianceisused.

Table10ANOVA

Fromthetable10,wecanseethatthestatisticvalueofFis3.099,andtheconfidencelevelofthestatistictis0.027,sorejectthenullhypothesisandwethinkthedifferencebetweenthefourkindsofpostcodesissignificant.

Figure6

Wecanknowthemeanofdifferentformofthepostcodesfromfigure6.TheaveragepricepeoplearewillingtopayforamealforthepostcodeBishigherthantheother.Itis20.75,soitisthecategorythatonaverageiswillingtopaymost.

hypothesis8.Themaleaveragemonthlyexpenditureintherestaurantisquitedifferentfromthefemale.

Thenullhypothesisisnodifferenceformaleandfemaleintheaveragerestaurantexpenditureinamonthandthealternativehypothesisisdifferent.Duetothegendersaretwostylessuchasmaleandfemale,andeachofthetwoareindependent,sotheindependentsamplestestisused.

Fromthetable11,wecanseethatthestatisticvalueoftis-2.98,andtheconfidencelevelofthestatistictis0.003,sorejectthenullhypothesisandwethinkthedifferencebetweenthetwokindsofgendersissignificant.Andthemeanofdifferentformofthegendersis$202.16and