统计学OUTCOME1

1Question1a)Giveanexampleofb)GiveadefinitionofEachofthefollowingterms:iContinuousdataiiDiscretedataiiiOrdinaldataivPrimarydatavQualitativedataviQuantitativedataviiSecondarydataQuestion2Youareresponsibleforcollectingstatisticaldata.Selectthemostappropriatesamplingmethodforthefollowingsituations:aAsamplingtechniquewhichtakesintoaccountthevariousgroupingswithinapopulationandrepresentstheirproportionsaccordingly.bOnaproductionline,asamplesizeistobetakenfrom10,000widgets.Itisdecidedthatevery200thwidgetistobeselectedfromarandomstartingpoint.cAsurveybasedonfulfillingpredeterminedcategoriessuchasage,genderetc.dAsamplingtechniquewhichbreaksthecountryintogeographicalareas.Areasarethenselectedrandomlyandeitherall,orasampleof,thepopulationaresurveyed.Question3Giveapossiblesourceforeachofthefollowing:aUnemploymentratesinScotlandbetween1995and2000bAcompany'sprofitsfrom2000-2005Question4Selectthemostappropriatesurveymethodforcollectingdataoneachofthefollowing:aThedestinationswhichtheexistingclientsofatravelcompanywouldliketovisit.bThenumberofcarstravellingpastaschoolbetween8amand9am.cThenumberofordersplacedforanitemoffurnitureinabranchofasuperstore.dOpinionsonthefacilitiesavailableinashoppingcenter.2Question1（每个人的答案不同，到老师PPT上寻找每种术语的定义以及相关例子，下面只是简单的答案只能看看）iDistance,weight,etc.(1mark)Numericaldatathatgenerallyhastobemeasured.(1mark)ii(Numberofchildreninafamily,numberoffaultyparts,etc.(1mark)Numericaldatathataredistinctandseparateietheycanbecounted.(1mark)iiiRestaurantratings,students'rankscoresinclasstest.(1mark)Datawhichisordered,butdifferencesbetweenvaluesarenotimportant.(1mark)ivPopulationcensus,questionnaires,etc.(1mark)Datawhichiscollectedbyyourself.(1mark)vBrandsofpetrol,suitabilityforpromotion,etc.(1mark)Non-numericaldatawhichdescribessomequalityorattributeofthedata.(1mark)viSpeed,thenumberoffemaleMPs,etc.(1mark)Datathatcanbeexpressednumerically.(1mark)viiHistoricalrecords,governmentstatistics,etc.(1mark)Dataisthathasalreadybeencollectedbysomeoneelseforadifferentpurposetoyours.(1mark)Question2（大家一样）aStratifiedrandomsampling(1mark)bSystematicsampling(1mark)cQuotasampling(1mark)dClustered(multi-stage)sampling(1mark)Question3（每个人的答案不同，自己把下面的英文转换下意思）aEitherScottishExecutiveStatistics,ScotlandOfficeorsimilar.(1mark)bAnnualReportsandFinancialStatementsforthespecificcompany.(1mark)Question4(大家一样)aPostalQuestionnaire(1mark)bDirectObservation(1mark)cRespondent’sschedules(1mark)dInterview(1mark)