安徽大学20092010学年第1学期《社会统计学》期末考试试卷(a卷)

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1、安徽大学2009—2010学年第1学期《社会统计学》期末考试试卷（A卷）（时间120分钟）院/系专业姓名学号题号一二三四五六七总分得分一、简答题（每小题2分，共20分）得分1.Whatkindofmethodwillbeusedifthedistributionofaquantitativevariableishighlyskewed?2.Whatarethenecessaryconditionsforconfidenceintervalwhenthesituationisfortwovariables?3.Fora95%confidencelevel,whatistheapp

2、roximatemarginoferrorforasampleproportion?4.Whatistheconfidenceinterval?5.IfXisabinomialrandomvariablebasedonntrialswithsuccessprobabilityp,andnislarge,andthentherandomvariableXisalsoapproximatelynormal,whatisconditionsforthat?6.Whatrelationshipisitbetweenbinomialrandomvariableandbinomialexp

3、eriment?7.Assumingprobabilityis1/2thatarandomlyselectedindividualwillbetallerthanmedianheightofapopulation,whatistheprobabilitythat3randomlyselectedindividualswillallbetallerthanthemedian?8.WhatisMutuallyExclusiveEvents?9.Whatkindofquestionscanbeaskedfromascatterplot?10.Foronecategoricalvari

4、ablewhichgraphtoolwillbeusedtodescribethedata?《社会统计学》期末试卷A第1页共7页二、表格分析题（每小题5分，共5分）得分1.Whatkindoftableisit?Whatkindvariablesareinvolved?Doyouthinkthereisarelationshipbetweentwovariablesinthepopulation?《社会调查研究方法》期末试卷A第2页共7页三、图解题（每小题5分，共15分）得分1.Accordingtotheplot,doyouthinkregressionconditions1

5、,2and3aresatisfied?2.Whatkindgraphisit?Whichsexhashighermedian?3.Whatkindofgraph?Istherealinearrelationshipornonlinearone?《社会调查研究方法》期末试卷A第3页共7页四、计算题（每小题10分，共60分）得分1.AnexperimenttocompareWeightLossPrograms,calculateFvalueofANOVAforweightlossandthreeprograms.Thedataanditsdotplotareasfollows:《社

6、会调查研究方法》期末试卷A第4页共7页2.DataHoursspentwatchingTVandhoursspent:oncomputerperweekforn=25students.Task:Whenthesamplemeanofthedifferences(d)is5.63andstandarddeviationofdis15.24,makea90%CIforthemeandifferenceinhoursspentusingcomputerversuswatchingTV(Itisapaireddatacase).3．Study:NewEnglandJournalofMe

7、dicine（3/4/99)：893participantsrandomlyallocatedtofourtreatmentgroups:placebo,nicotinepatchonly,Zybanonly,andZybanplusnicotinepatch.Participantsblinded:allusedapatch(nicotineorplacebo)andalltookapill(Zybanorplacebo).Treatmentsusedfornineweeks.Thedat