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Stat1510ClassSurvey
LauraLyonshttp://lauralyons.wikispaces.com/
Abstract
Briefsummary Whatcanbelearnedhere? Whatdidwedo? Whatdidwefind?
Introduction
Therearemanybiologicalandexternalfactorsthatshapeourviewsandourlivesandthroughtheuseofasurvey,weareabletomakeobservationsofhowthingssuchasgender,politicalpartyaffiliation,orapersonsincomemayinfluenceapersonschoicesandlife. Manystatisticalstudieshavebeenconductedtobetterunderstandtheseinfluences.Oneexampleofthisisfoundinanexistingstatisticalstudythatlinksgendertoapersonsincome.InthecurrentUnitedStatesPopulationSurvey,itshowsthefemale-to-maleearningsratioat0.77,revelingafemalesincomeis23%lessthanamales.(http://www.bls.gov/cps/cpswom2010.pdf).Thisisjustoneexampleofhowasurveycanrevealimportantsocialandeconomicinformation.
Byconductinganobservationalstudythroughasurveyofover2,500peopleofallages,wewereabletoobservedifferentareasofapersonslife.Welookedatquantitativevariablessuchasphysicalattributes(weight,heightandshoessize),andapersonswaterconsumption.Somequalitativevariablesobservedweregender,politicalthought,andpoliticalpartyaffiliations.Withthedatacollectedwecanexplorewhichelementssurveyedareindependentandwhicharedependentofeachother.
Procedure
Theteacherofacollegestatisticscourseprovidedaquestionnairetohisstudents.Eachstudentwasresponsibleforrandomlyselectingandsurveying10peoplewiththefollowingquestions:
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1.Gender:MaleFemale2.Ethnicity:WhiteBlackHispanicOther3.Age(years):4.Height(ininches):5.Weight(pounds):
6.Hoursworkedperweek:7.AreyoucurrentlyaStudent?YesNo8.EducationLevel(completed,notinprogress):(HighSchoolGrad=12,AssociateDegree=14,BA/BS=16,MA/MS=18,PhD=20)9.AnnualGrossIncome(numbersonly,$39000is39000,not39,000or$39K):10.Eyecolor:BrownBlackBlueHazelEacheyeisadifferentcolorOther11.Naturalhaircolor.BlackBlondBrownorBrunetteGreyRedSilverOther12.Numberofouncesofwateryoudrankforthetwodayspriortosubmittingthissurvey.Onecupofwateris8ounceswhereasmostglassesare12or16ounces.13.Areyouinfavorofthedeathpenalty?YesNoInthiscontextinfavormeansyouareforthedeathpenaltyforatleastone,butnotnecessarilyall,crimesthatarecurrentlypunishablebydeath.6
14.Whatpoliticalpartydoyoumostcloselyassociateyourselfwith?Byassociate,Imeanwhatpartyareyouregisteredtovotewithorifyouarenotregistered,whichpartywouldyouregisterwithifyouhadtochose.DemocratRepublicanIndependentOther15.Areyouregisteredtovote?YesNo16.DoyoupersonallyknowanyonethathasbeeninfectedwiththeHIVvirus?YesNoBypersonallyknow,Imeanapersonalknowledgeofthatperson.Asanexample,weallprobablyknowMagicJohnson,butIdoubtanyofushaveactuallymethimorarefriendswithhim.IfMagicistheonlypersonyouknowwhohasbeeninfectedwithHIV,thenyouranswertothisquestionwouldbeno.17.Areyouinfavorofthehealthcarebillaspassed?YesNoUndecided18.Areyouleft---handed,right---handed,orambidextrous?19.DoyoubelievePresidentObamawillbereelected?YesNoUncertain20.ChangeofPartyAffiliation
IconsideredmyselfaDemocratorLiberalandnowassociatemyselfwiththeTeaParty.IconsideredmyselfaRepublicanorConservativeandnowassociatemyselfwiththeTeaParty.
IconsideredmyselfotherthanDemocratorRepublicanandnowassociatemyselfwiththeTeaParty.Notapplicabletome.21.ConsiderProposition8,the2008propositionregardingmarriageforsamesexcouples.Thepropositiondefinedmarriageasbetweenamanandawomanandprohibitssamesexcouplesfrommarrying.DoyouagreewithProposition8?YesNo22.Whatisyourshoesize?
23.Whatisyourringsize?
Theanswerswerethencompiledintoashareddatabase.Fortheanalysisinthisreport,asimplerandomsamplewascalculated,makingasamplesizeof40individuals.Itwasimportanttoalsohaveanequalamountofwomenandmenrepresentedinthesamplesize. Aselectnumberofquestionswillbeanalyzedinthisreport.Thevariableswewillbestudyingareasfollows:height(x1),weight(x2),shoesize(x3),income(x4),gender(x5),politicalparty(x6),Obamasre-election(x7),Obamashealthcarebill(x8),deathpenalty(x9),waterconsumption(x10),handedness(x11),andpolitical
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partyaffiliation(x12).Wearelookingforanydirectcorrelationbetweenthesedifferentvariables. Someobviouscorrelationswerefoundwithapersonsweight,heightandshoesize.Itwasobservedthatamansmedianheight,andshoesizeismorethanthatofawomens.Seethechartsandgraphfollowingformoreinformation
regardingthisobservation.Height(in.)/ShoeSize
Female
61 7
70 11
65 764 8
66 764 8
64 6.569 9
65 6
64 863 9
67 9
67 767 8.5
60 9
59 4
64 767 8
64 6
63 8.5
WomensHeight WomensShoeSize
Mean:64.65 Mean:7.6750Min:59 Min:4
Q1:63.5 Q1:7
Median:64 Median:8Q3:67 Q3:8.75
Max:70 Max:11
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Height(in.)/ShoeSize
Male
72 13
68 8
67 873 11.574 1269 867 9.5
70 11
72 1170 10
75 10.5
69 974 12
72 10.5
73 1173 15
69 10
74 11
68 1572 10
MensHeight MensShoeSizeMean:71.05 Mean:10.8
Min:67 Min:8Q1:69 Q1:9.75Median:72 Median:10.75
Q3:73 Q3:11.75Max:75 Max:15
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Anotherobservationwasmadetoseeifthereisanincomegapfoundinthesample.Amedianincomeof$32,500wasfoundforbothmaleandfemale.Ameanof$35,585wasfoundforfemalesandameanof$55,325formales.Seechartthatfollows.
AnnualGrossIncome
Women Men
60000 5100035000 14000
400 13000
40000 125000
40000 150009000 0
80000 10500
0 1200080000 140003300 63000
30000 104000150000 30000
15000 15000
10000 150000
38000 150004000 175000
50000 0
2000 550000 75000
65000 35000
Min:0 Min:0Q1:3650 Q1:13500
M:32500 M:32500
Q3:55000 Q3:89500
Max:150000 Max:175000
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Thedatashows62.5%ofsamplegroupwasinfavorofthedeathpenaltywhile27.5%werenotinfavorand10%wereundecided.Moremenareinfavorthanwomenwith75%ofmensurveyedinfavorand50%ofwomensurveyedinfavor.
DeathPenalty InFavor NotinFavor Undecided
Men: 15 4 1
Women: 10 7 3
Total: 25 11 4
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45%ofthesamplegroupisinfavorofthehealthcarebillwith32.5%notinfavorand22.5%undecided.
HealthCareBill
InFavor NotinFavor UndecidedMen: 8 7 5
Women: 10 6 4
Total: 18 13 9
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Inoursamplegroup,35%labelthemselvesRepublican,40%Democrat,7.5%Independent,and17.5%Other.
PoliticalParty
Republican Democrat Independent Other
Men: 6 7 3 4
Women: 8 9 0 3
Total: 14 16 3 7
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Overhalf(55%)surveyedbelievethatPresidentObamawillnotbere-elected.32%believehewillbeand12.5%areundecided.
WillPresidentObamabeRe-elected?
Yes No Undecided
Men: 5 11 4
Women: 8 11 1
Total: 13 22 5
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