江西財(cái)經(jīng)大學(xué)試卷B

試卷代碼：B課程名稱(chēng)：計(jì)學(xué)

江西財(cái)大試卷課程學(xué)時(shí)：48適用對(duì)象：Ⅰ、CHOICE(＝′)1.thefollowingquality()costofindexindexofstaffpopulationC.ofconsumerofeachD.2.relationfromthatanapproximateconstantinywithaquantitative()PositivelinearB.NegativelinearD.Curvilinearcorrelation3.Dividingthesomefromthismethod.()clustersamplingsamplingD.sampling4.istheyear′averagetheofrecentthreewere、9%、)8.8493%8.9878%D.5.Whichofthefollowingisstandardoftheifthequalifiedrateofproductsis90)B.90%C.D.30%Ⅱ、(WriteT”trueand“F”1′×5＝5)1.equaltowidthofmultiplytheofclassesany()2.Marginisthanstandardofsamplingstatistics.()3.TheofPaascheindexweightforitembase-periodquantity.()4.coefficientiszerotherenobetween()5.Whetheritisanalysisofcorrelationanalysisofwemustdeterminevariable.)Ⅲ、（5′×2=10′）1、theamongof、ofcoefficientituse2、describeofPaascheⅣ、CALCULATION（Total:60′Asampleof440fromavillageoftestisthatmeanproductionisare:①thesamplingstandarderrorthe②Estimateofwholesriceat95.45%probability.③Ifthefromhowashouldbeselectedzprovideconfidenceindicates=2amarginofnotexceeding10kg,assumethatstandardofper80kg?（′）/

2、Theof′ofanmanufacturerinrecentgivenfollows:Year200020012002200320042005Quantity100020004000500070009000workoutaandtothesedata,thebytheexplainof（15′）3、dataoftheinaareasfollows:s′

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trytotheinvalueofoutputfromaspects----relativeandabsolutebyanalysis.（′）ⅴ、CASE′)Doesageunemployment?monthU.S.BureauofLaborvarietyofstatistic,includingofindividualsthemeanlengthofindividualshavebeenForBureauofLaborthenationalofofwasTheMayorNewhasrequestedonofinNewYorkarea.Aof50ofNewYorkdataonandtheofwithoutjob.Aofthedatacollectedin2005follows:age(years)Weeksofage(years)Weeksofunemployment(week)(week)254813251248242549252649252649302810502528155035321250363315524040155340401454424018554545205545461856434725575048285852Questions：ⅰ.Describe′ofinNewYorkin/

descriptiveⅱ.intervalestimateofmeanageofunemployedindividualsYork.ⅲ.ConductatodeterminemeanofinNewYorkgreaterthenationalduration