《统计学原理》作业(四)

《统计学原理》作业(四)

《统计学原理》作业(四)A,(190+195+193+201)/4B,(190+195+193)/3C,{(190/2)+195+193+(201/2)}/(4-1)D,{(190/2)+195+193+(201/2)}/4Theindicatorofthetotalspeedofdevelopmentoveralongperiodoftimeis(C)A,therateofdevelopmentofB,theaveragedevelopmentrateofC,thedevelopmentvelocityofthefixedbase,thegrowthrateofthebaseThree,multiplechoicequestionsThefunctionoftheexponentis(ABE)A,thegeneralreportofthechangeinthetotalnumberofcomplexphenomensB)theeffectofvariationofeachfactorintheoverallanalysisofthephenomenonC,thecentraltendencyofthedistributionofdifferentunitvariablesintheoveralldistributionofthephenomenaD,theoverallscaleofthephenomenonE,usetheexponentialarraytoanalyzethetrendofthephenomenon\nThefollowingqualityindex(CDE)isthefollowingA,thecommodityretailpriceindexB,thecommodityretailindexC,commodityretailpriceindexD,workerproductivityindexE,salesplancompletionindexThefollowingarethenumberofindicators(ACD)A,theindustrialoutputindexB,thelaborproductivityindexC,thenumberofworkersandthetotalcostoftheproductE,productunitcostindexThewaytocompileageneralindexis(AB)A,compositeindexB,averageindexC,qualityindexD,quantityindexE,theaverageindexTheweightedarithmeticaverageisa(BCD)・A,compositeindexB,totalindexC,averageindexD,theweightedaverageoftheindividualindexE,theindexofmassindex\nWhichofthefollowingarethetimeseries(BC)?A,thetotalareaofcultivatedlandinChinainrecentyears,thenumberofnewpeopleinourcountryC,China，sannualbookpublishingvolume,China，sgoldreservesD,theannualrateoftaxratesforstate-ownedenterprisesintheregionAttheendofthemonth,thedateofthestockofrawmaterialsforacertainenterpriseisasfollows:JanuaryFebruary,FebruarymarchStockofrawmaterials(tons)8,10,13,11,9Thedynamicsequence(BD)ThenumberofindicatorsistheresultofthediscontinuousstatisticsThefiguresofCandindicatorsreflecttheamountofdevelopmentthathasbeendevelopedoveraperiodoftimeThenumericalvalueoftheindexreflectsthetotalamountofthephenomenonatsomepointTheEandtheindicescanadduptofivemonthsofrawmaterialstocks\nWhichofthefollowingphenomenafocusesonthegeometricaveragedevelopmentrate(BDE)A,thebasicconstructioninvestmentB,thesaleofcommoditiesC,theamountofreclamationforestafforestationD,theconsumptionexpenditureoftheresidents,theoutputoftheproductsTherelationshipbetweenthedevelopmentvelocityofthefixedbaseandtherateofdevelopmentofthemonth-on-monthis(ABD)・A,bothofthembelongtothespeedindicatorB,theproductofthesequentialdevelopmentvelocityisthedevelopmentspeedofthefixedbasisC,theproductofthedevelopmentvelocityofthefixedbasisisequaltothedevelopmentvelocityofthesamemonthThequotientofDandadjacentfixedbasisdevelopmentvelocityisequaltothecorrespondingsequentialdevelopmentrateTherateofdevelopmentofthetwoconsecutivemonthsisequaltotherateofdevelopmentofthecorrespondingbasisCumulativegrowthandgrowth(ABDE)A,thebaseperiodleveloftheformerisconstant,thebaselevelofthelatterisalwayschanging\nThereisarelationshipbetweenthetwo:thesumofeachincrementoftheperiodofgrowthisequaltothecumulativeincreaseThedifferencebetweenthetwosuccessivephasesofgrowthisequaltothecorrespondingcumulativeincreaseD,accordingtobothoftheseincreases,youcancalculatetheaverageincreaseineachperiodoveralongperiodoftimeBothoftheseincreasesarespeedanalysisindicatorsFive,thecomputationalproblemsAttheendofthemonthof1990,thedateofthegoodsisasfollows:inone2345\n1112Inventoryamount605548434050456068OnJanuary1,wealsoknowthattheinventoryofgoodsis630,000yuanTrytocalculatetheaverageinventoryofgoodsinthefirsthalfoftheyear,thesecondhalfandthewholeyear\n(1)theamountofthegoodsinthefirsthalfofthestore:theyear:asfollows:(2)thestore，sinventoryforthesecondhalfof(3)thestore'sinventoryforthewholeyear:5,theinformationofanindustrialenterpriseisindicatorsInJanuary,InFebruary,Inmarch,AprilTotalindustrialoutput(RMB)180160200190Thenumberofworkers(people)atthebeginningofthemonth\n600580620600Trialcalculation:(1)averagelaborproductivityinthefirstquarter;(2)averagelaborproductivityinthefirstquarter(10)Solution:99••99••99••99••one