资源描述：
《人教版高中数学必修三测试题》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、一．选择题1.下列说法不正确的是（）A.系统抽样是先将差异明显的总体分成几个小组，在进行抽取B.分层抽样是将差异明显的几部分组成的总体分成几成，然后进行抽取C.简单随机抽样是从个体无差异且个数较少的总体中逐个抽取个体D.系统抽样是从个体无差异且个数较多的总体中，将总体均分，再按事先确定的规则在各部分抽取。2.某班的60名学生已经编号1，2，3，...，60，为了解该班同学的作业状况，老师收取了号码能被5整除的12名同学的作业本，这里运用的抽样方法是（）A.简单随机抽样B.系统抽样C.分层抽样D.抽签
2、法3.统计某校1000名学生的测试成绩，得到的样本频率分布直方图如图所示，若满分为100分，规定不低于60分为及格，则及格率是（）A.20%B.25%C.6%D.80%technicaldepartment,qualityDepartment,laboratory,measurementandconstructionteamntimplementationofthe"qualityfirst,preventionfirst",aselfcheckandcross-check,check,sothat
3、"anyonewhowasresponsiblefortheconstruction."14.2.5materialprocurementandmanagement1,purchaseplansaccordingtotheconstructionplanrequirements.QCDepartmenttoparticipateinacceptanceofmaterials,negativeandsealtheincorrectmaterial.2,accordingtotenderdocument
4、sandstandardsfortestandevaluationofrawmaterials,qualifiedmaterialsclassifiedandpiledupandsetupasigndetailingacceptanceofvarieties,quantities,dateandsignatureofmanagement.14.2.6nonconformingproductcontrolandmanagementofnonconformingproductsshouldbecontr
5、olledonthespot,byconstructionworkers,techniciansandQCfieldfillouttheunqualifiedreport,nonconformingshouldwithdrawfromthesceneandstrikingidentitytoavoidmisuse.Facetreatedbysupervisionengineer'spermissiontocontinueconstruction.14.2.7checksitelaboratoryqu
6、alitysupervisionandinspectionandtestmanagementprogramledbytheQC,thetestmethods,procedures,andstrictlyaccordingtothecontractorarelatedspecification,mainlyrawmaterialsandconcretescopeoftechnicaldepartment,qualityDepartment,laboratory,measurementandconstr
7、uctionteamntimplementationofthe"qualityfirst,preventionfirst",aselfcheckandcross-check,check,sothat"anyonewhowasresponsiblefortheconstruction."14.2.5materialprocurementandmanagement1,purchaseplansaccordingtotheconstructionplanrequirements.QCDepartmentt
8、oparticipateinacceptanceofmaterials,negativeandsealtheincorrectmaterial.2,accordingtotenderdocumentsandstandardsfortestandevaluationofrawmaterials,qualifiedmaterialsclassifiedandpiledupandsetupasigndetailingacceptanceofvarieties,quantit
