2015年管理统计学在线作业

您的本次作业分数为：94分HTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.11.在样本容量一定的情况下，抽样估计的精确度和置信度水平之间按如下方式变动：HTMLCONTROLForms.HTML:Option.1A同方向；HTMLCONTROLForms.HTML:Option.1B反方向；HTMLCONTROLForms.HTML:Option.1C有时同方向，有时反方向；HTMLCONTROLForms.HTML:Option.1D无法确定正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.12.在方差分析中，若不同水平对结果没有影响，则：HTMLCONTROLForms.HTML:Option.1A组间方差接近于组内方差；HTMLCONTROLForms.HTML:Option.1B组间方差大于组内方差；HTMLCONTROLForms.HTML:Option.1C组间方差小于组内方差；HTMLCONTROLForms.HTML:Option.1D不具有可比性正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.13.如果数据分布很不均匀，则应编制：HTMLCONTROLForms.HTML:Option.1A开口组；HTMLCONTROLForms.HTML:Option.1B闭口组；HTMLCONTROLForms.HTML:Option.1C等距数列；HTMLCONTROLForms.HTML:Option.1D异距数列正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.14.一个管理统计总体：HTMLCONTROLForms.HTML:Option.1A只能有一个标志；HTMLCONTROLForms.HTML:Option.1B只能有一个指标；HTMLCONTROLForms.HTML:Option.1C可以有多个标志；HTMLCONTROLForms.HTML:Option.1D可以有多个指标正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.15.统计分组的结果，应当是：HTMLCONTROLForms.HTML:Option.1A组内具有同质性，组间具有差异性；HTMLCONTROLForms.HTML:Option.1B组内具有差异性，组间具有同质性；HTMLCONTROLForms.HTML:Option.1C组内具有差异性，组间具有差异性；HTMLCONTROLForms.HTML:Option.1D组内具有同质性，组间具有同质性正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.16.某产品规定的标准寿命为1300小时，甲厂称其产品超过此规定。随机选取甲厂100件产品，测得均值为1345小时，已知标准差为300小时，计算得到样本均值大于等于1345的概率是0.067，则在:μ=1300，:μ>1300的情况下，下列各式中成立的是：HTMLCONTROLForms.HTML:Option.1A若=0.05，则接受；HTMLCONTROLForms.HTML:Option.1B若=0.05，则接受；HTMLCONTROLForms.HTML:Option.1C若=0.10，则接受；HTMLCONTROLForms.HTML:Option.1D若=0.10，则拒绝正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.17.按调查的范围不同。统计调查可以分为：HTMLCONTROLForms.HTML:Option.1A统计报表和专门调查；HTMLCONTROLForms.HTML:Option.1B全面调查和非全面调查；HTMLCONTROLForms.HTML:Option.1C经常性调查和一次性调查；HTMLCONTROLForms.HTML:Option.1D普查和抽样调查正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.18.计算计划完成情况相对指标，分子和分母的数值：HTMLCONTROLForms.HTML:Option.1A只能是相对数；HTMLCONTROLForms.HTML:Option.1B只能是绝对数；HTMLCONTROLForms.HTML:Option.1C只能是平均数；HTMLCONTROLForms.HTML:Option.1D既可以是绝对数，也可以是相对数或平均数正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.19.以下属于定比尺度的数据资料是：HTMLCONTROLForms.HTML:Option.1A满意度；HTMLCONTROLForms.HTML:Option.1B温度；HTMLCONTROLForms.HTML:Option.1C工资；HTMLCONTROLForms.HTML:Option.1D时间正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.110.在组距式数列中，对组限值的处理原则是：HTMLCONTROLForms.HTML:Option.1A上组限不在内，下组限在内；HTMLCONTROLForms.HTML:Option.1B下组限不在内，上组限在内；HTMLCONTROLForms.HTML:Option.1C上下组限均不在内；HTMLCONTROLForms.HTML:Option.1D上下组限均在内正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.111.以下属于数量综合指数的是：HTMLCONTROLForms.HTML:Option.1A产量综合指数；HTMLCONTROLForms.HTML:Option.1B价格综合指数；HTMLCONTROLForms.HTML:Option.1C销售额综合指数；HTMLCONTROLForms.HTML:Option.1D成本综合指数正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.112.在组距式数列中，用组中值来代表组内的一般水平的假定条件：HTMLCONTROLForms.HTML:Option.1A各个组的次数相等；HTMLCONTROLForms.HTML:Option.1B各个组的组距相等；HTMLCONTROLForms.HTML:Option.1C组内变量值相等；HTMLCONTROLForms.HTML:Option.1D组内变量值呈均匀分布正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.113.若各年环比增长速度保持不变，则逐期增长量：HTMLCONTROLForms.HTML:Option.1A逐年增加；HTMLCONTROLForms.HTML:Option.1B逐年减少；HTMLCONTROLForms.HTML:Option.1C保持不变；HTMLCONTROLForms.HTML:Option.1D无法做结论正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.114.对50名职工的工资收入情况进行调查，则总体单位是：HTMLCONTROLForms.HTML:Option.1A50名职工；HTMLCONTROLForms.HTML:Option.1B50名职工的工资总额；HTMLCONTROLForms.HTML:Option.1C每一名职工；HTMLCONTROLForms.HTML:Option.1D每一名职工的工资正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.115.以下属于定距尺度的数据资料是：HTMLCONTROLForms.HTML:Option.1A温度；HTMLCONTROLForms.HTML:Option.1B受教育年限；HTMLCONTROLForms.HTML:Option.1C职业技能等级；HTMLCONTROLForms.HTML:Option.1DISBN号（书号）正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.116.平均差（A.D）的取值范围是：HTMLCONTROLForms.HTML:Option.1AA.D=0；HTMLCONTROLForms.HTML:Option.1BA.D<=0；HTMLCONTROLForms.HTML:Option.1CA.D>=0；HTMLCONTROLForms.HTML:Option.1D0<=A.D<=1正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.117.某商场2009年空调销售量为6500台，库存年末比年初减少100台，这两个总量指标：HTMLCONTROLForms.HTML:Option.1A时期指标；HTMLCONTROLForms.HTML:Option.1B时点指标；HTMLCONTROLForms.HTML:Option.1C前者是时期指标，后者是时点指标；HTMLCONTROLForms.HTML:Option.1D前者是时点指标，后者是时期指标正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.118.抽样调查中的抽样误差是：HTMLCONTROLForms.HTML:Option.1A随机误差；HTMLCONTROLForms.HTML:Option.1B系统性误差；HTMLCONTROLForms.HTML:Option.1C代表性误差；HTMLCONTROLForms.HTML:Option.1D登记性误差正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.119.某市进行工业企业生产设备状况普查，要求在7月1日至7月5日全部调查完毕。则规定的这一时间是：HTMLCONTROLForms.HTML:Option.1A调查时间；HTMLCONTROLForms.HTML:Option.1B调查期限；HTMLCONTROLForms.HTML:Option.1C标准时间；HTMLCONTROLForms.HTML:Option.1D登记期限正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.120.方差分析中组内方差是：HTMLCONTROLForms.HTML:Option.1A包括随机误差和系统误差；HTMLCONTROLForms.HTML:Option.1B只包括随机误差，不包括系统误差；HTMLCONTROLForms.HTML:Option.1C只包括系统误差，不包括随机误差；HTMLCONTROLForms.HTML:Option.1D既不包括随机误差，也不包括系统误差正确答案:BHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.121.最常用的反映数据离散趋势的指标值是：HTMLCONTROLForms.HTML:Option.1A方差；HTMLCONTROLForms.HTML:Option.1B标准差；HTMLCONTROLForms.HTML:Option.1C全距；HTMLCONTROLForms.HTML:Option.1D离散系数正确答案:BHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.122.相关系数r的取值范围是：HTMLCONTROLForms.HTML:Option.1A在0到1之间；HTMLCONTROLForms.HTML:Option.1B在-1到0之间；HTMLCONTROLForms.HTML:Option.1C在-1到1之间；HTMLCONTROLForms.HTML:Option.1D无限制正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.123.在实际中最常用的平均值是：HTMLCONTROLForms.HTML:Option.1A算术平均数；HTMLCONTROLForms.HTML:Option.1B调和平均数；HTMLCONTROLForms.HTML:Option.1C中位数；HTMLCONTROLForms.HTML:Option.1D几何平均数正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.124.间隔相等的时点数列，计算序时平均数应当采用：HTMLCONTROLForms.HTML:Option.1A几何平均法；HTMLCONTROLForms.HTML:Option.1B加权算术平均法；HTMLCONTROLForms.HTML:Option.1C简单算术平均法；HTMLCONTROLForms.HTML:Option.1D首末折半法正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.125.对于不等距数列，在制作直方图时，则应计算出：HTMLCONTROLForms.HTML:Option.1A频数分布；HTMLCONTROLForms.HTML:Option.1B频数密度；HTMLCONTROLForms.HTML:Option.1C各组次数；HTMLCONTROLForms.HTML:Option.1D各组组距正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.126.对于总体单位在被研究的标志上有明显差异的情形，适宜于：HTMLCONTROLForms.HTML:Option.1A等距抽样；HTMLCONTROLForms.HTML:Option.1B分层抽样；HTMLCONTROLForms.HTML:Option.1C简单随机抽样；HTMLCONTROLForms.HTML:Option.1D多阶段抽样正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.127.统计总体的基本特征是：HTMLCONTROLForms.HTML:Option.1A同质性，数量性，变异性；HTMLCONTROLForms.HTML:Option.1B大量性，变异性，同质性；HTMLCONTROLForms.HTML:Option.1C数量性，具体性，综合性；HTMLCONTROLForms.HTML:Option.1D总体性，社会性，大量性正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.128.下列指标属于比例相对指标的是：HTMLCONTROLForms.HTML:Option.1A工人出勤率；HTMLCONTROLForms.HTML:Option.1B农轻重的比例关系；HTMLCONTROLForms.HTML:Option.1C每百元产值利税额；HTMLCONTROLForms.HTML:Option.1D净产值占总产值的比重正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.129.下列关系中属于负相关的是：HTMLCONTROLForms.HTML:Option.1A农田施肥量与亩产量之间的关系；HTMLCONTROLForms.HTML:Option.1B生产设备工作时间与维修费用之间的关系；HTMLCONTROLForms.HTML:Option.1C商品流通规模与流通费用之间的关系；HTMLCONTROLForms.HTML:Option.1D单位产品原材料消耗量与单位成本之间的关系正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.130.在建立与评价了一个回归模型以后，我们可以：HTMLCONTROLForms.HTML:Option.1A估计未来所需要样本的容量；HTMLCONTROLForms.HTML:Option.1B计算相关系数与判定系数；HTMLCONTROLForms.HTML:Option.1C以给定因变量的值估计自变量的值；HTMLCONTROLForms.HTML:Option.1D以给定自变量的值估计因变量的值。正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.131.某班学生数学考试成绩分别为65分、71分、80分和87分，那末，这四个数字是：HTMLCONTROLForms.HTML:Option.1A指标；HTMLCONTROLForms.HTML:Option.1B标志；HTMLCONTROLForms.HTML:Option.1C变量；HTMLCONTROLForms.HTML:Option.1D标志值正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.132.用“水平法”检查长期计划的执行情况使用于：HTMLCONTROLForms.HTML:Option.1A规定计划期初应达到水平；HTMLCONTROLForms.HTML:Option.1B规定计划期内某一期应达到水平；HTMLCONTROLForms.HTML:Option.1C规定计划期末应达到水平；HTMLCONTROLForms.HTML:Option.1D规定整个计划期累计应达到水平正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.133.某百货公司今年与去年相比商品零售价格平均下降了6%，商品零售量平均增长6%，则商品零售额：HTMLCONTROLForms.HTML:Option.1A保持不变；HTMLCONTROLForms.HTML:Option.1B平均下降0.36%；HTMLCONTROLForms.HTML:Option.1C平均上升0.36%；HTMLCONTROLForms.HTML:Option.1D平均下降0.64%正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.134.某城市拟对占全市储蓄额五分之四的几个大储蓄所进行调查，以了解全市储蓄的一般情况，则这种调查方式是：HTMLCONTROLForms.HTML:Option.1A普查；HTMLCONTROLForms.HTML:Option.1B典型调查；HTMLCONTROLForms.HTML:Option.1C抽样调查；HTMLCONTROLForms.HTML:Option.1D重点调查正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.135.一种零件的标准直径是15cm，质量检测员对所生产的零件是否符合标准要求进行检验时，应该采取的假设形式为：HTMLCONTROLForms.HTML:Option.1A原假设大于等于15cm，而备择假设小于15cm；HTMLCONTROLForms.HTML:Option.1B原假设小于等于15cm，而备择假设大于15cm；HTMLCONTROLForms.HTML:Option.1C原假设等于15cm，而备择假设不等于15cm；HTMLCONTROLForms.HTML:Option.1D原假设等于15cm，而备择假设大于等于15cm正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.136.下列属于品质标志的是：HTMLCONTROLForms.HTML:Option.1A工人年龄；HTMLCONTROLForms.HTML:Option.1B工人性别；HTMLCONTROLForms.HTML:Option.1C工人体重；HTMLCONTROLForms.HTML:Option.1D工人工资正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.137.抽样分布是指：HTMLCONTROLForms.HTML:Option.1A一个样本各观察值的分布；HTMLCONTROLForms.HTML:Option.1B总体中各观察值的分布；HTMLCONTROLForms.HTML:Option.1C样本统计量的分布；HTMLCONTROLForms.HTML:Option.1D样本数量的分布正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.138.抽样平均误差反映了样本指标与总体指标之间的：HTMLCONTROLForms.HTML:Option.1A实际误差；HTMLCONTROLForms.HTML:Option.1B调查误差；HTMLCONTROLForms.HTML:Option.1C可能误差范围；HTMLCONTROLForms.HTML:Option.1D平均误差程度正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.139.单位成本与产品产量的相关关系，以及单位成本与单位产品原材料消耗量的相关关系，表述正确的是：HTMLCONTROLForms.HTML:Option.1A前者是正相关，后者是负相关；HTMLCONTROLForms.HTML:Option.1B前者是负相关，后者是正相关；HTMLCONTROLForms.HTML:Option.1C两者都是正相关；HTMLCONTROLForms.HTML:Option.1D两者都是负相关正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.140.某地从1995年到2000年各年的7月1日零时统计的人口资料分别为：23，23，24，25，25和26（单位：万人）。则该地区1995～2000年的年平均人数为：HTMLCONTROLForms.HTML:Option.1A24.3（万人）；HTMLCONTROLForms.HTML:Option.1B24.6（万人）；HTMLCONTROLForms.HTML:Option.1C19.7（万人）；HTMLCONTROLForms.HTML:Option.1D20.3（万人）正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.141.某市工业总产值增长了10%，同期价格水平提高了3%，则该市工业生产指数为：HTMLCONTROLForms.HTML:Option.1A107%；HTMLCONTROLForms.HTML:Option.1B13%；HTMLCONTROLForms.HTML:Option.1C106.8%；HTMLCONTROLForms.HTML:Option.1D10%正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.142.在方差分析中，反映样本数据与其组平均值差异的是：HTMLCONTROLForms.HTML:Option.1A总体离差平方和；HTMLCONTROLForms.HTML:Option.1B组间误差；HTMLCONTROLForms.HTML:Option.1C抽样误差；HTMLCONTROLForms.HTML:Option.1D组内误差正确答案:DHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.143.经济管理统计的职能是：HTMLCONTROLForms.HTML:Checkbox.1A信息职能；HTMLCONTROLForms.HTML:Checkbox.1B咨询职能；HTMLCONTROLForms.HTML:Checkbox.1C决策职能；HTMLCONTROLForms.HTML:Checkbox.1D监督职能；HTMLCONTROLForms.HTML:Checkbox.1E预测职能正确答案:ABDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.144.经济管理统计的基本内容，包括：HTMLCONTROLForms.HTML:Checkbox.1A描述统计；HTMLCONTROLForms.HTML:Checkbox.1B设计统计；HTMLCONTROLForms.HTML:Checkbox.1C推断统计；HTMLCONTROLForms.HTML:Checkbox.1D预测统计；HTMLCONTROLForms.HTML:Checkbox.1E统计分析正确答案:ACEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.145.简单线性回归分析的特点是：HTMLCONTROLForms.HTML:Checkbox.1A两个变量之间不是对等关系；HTMLCONTROLForms.HTML:Checkbox.1B回归系数有正负号；HTMLCONTROLForms.HTML:Checkbox.1C两个变量都是随机的；HTMLCONTROLForms.HTML:Checkbox.1D利用一个方程两个变量可以互相推算；HTMLCONTROLForms.HTML:Checkbox.1E有可能求出两个回归方程正确答案:ABHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.146.确定直线回归方程必须满足的条件是：HTMLCONTROLForms.HTML:Checkbox.1A现象之间确实存在数量上的相互依存关系；HTMLCONTROLForms.HTML:Checkbox.1B相关系数必须等于1；HTMLCONTROLForms.HTML:Checkbox.1C现象之间存在较密切的直接相关关系；HTMLCONTROLForms.HTML:Checkbox.1D相关数列的项数必须足够多；HTMLCONTROLForms.HTML:Checkbox.1E相关现象必须均属于随机现象正确答案:ACDEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.147.加权算术平均数的大小受以下因素的影响：HTMLCONTROLForms.HTML:Checkbox.1A各组变量值；HTMLCONTROLForms.HTML:Checkbox.1B各组次数；HTMLCONTROLForms.HTML:Checkbox.1C各组比重；HTMLCONTROLForms.HTML:Checkbox.1D总体单位总数正确答案:ABCHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.148.某企业1990年的产值为2000万元，1998年的产值为1990年的150%。则：HTMLCONTROLForms.HTML:Checkbox.1A年平均增长速度为6.25%；HTMLCONTROLForms.HTML:Checkbox.1B年平均增长速度为5.2%；HTMLCONTROLForms.HTML:Checkbox.1C年平均增长速度为4.6%；HTMLCONTROLForms.HTML:Checkbox.1D年平均增产量为125万元；HTMLCONTROLForms.HTML:Checkbox.1E年平均增长量为111.11万元正确答案:BDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.149.如果某地区工人的日工资收入（元）随劳动生产率（千元/人时）的变动符合简单线性方程Y=60+90X，请说明下列的判断中正确的有：HTMLCONTROLForms.HTML:Checkbox.1A当劳动生产率为1千元/人时，估计日工资为150元；HTMLCONTROLForms.HTML:Checkbox.1B劳动生产率每提高1千元/人时，则日工资一定提高90元；HTMLCONTROLForms.HTML:Checkbox.1C劳动生产率每降低0.5千元/人时，则日工资平均减少45元；HTMLCONTROLForms.HTML:Checkbox.1D当日工资为240元时，劳动生产率可能达到2千元/人。正确答案:ACHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.150.下列关于调查组织方式的判断中，不正确的有：HTMLCONTROLForms.HTML:Checkbox.1A重点调查是一种非全面调查，既可用于经常性调查，也可用于一次性调查；HTMLCONTROLForms.HTML:Checkbox.1B抽样调查是非全面调查中最科学的方法，因此它适用于完成任何调查任务；HTMLCONTROLForms.HTML:Checkbox.1C在非全面调查中，抽样调查最重要，重点调查次之，典型调查最不重要；HTMLCONTROLForms.HTML:Checkbox.1D如果典型调查的目的是为了近似地估计总体的数值，则可以选择若干中等的典型单位进行调查；HTMLCONTROLForms.HTML:Checkbox.1E普查是取得全面统计资料的主要调查方法正确答案:BCDEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.151.定序尺度可以：HTMLCONTROLForms.HTML:Checkbox.1A对事物分类；HTMLCONTROLForms.HTML:Checkbox.1B对事物排序；HTMLCONTROLForms.HTML:Checkbox.1C计算事物之间差距大小；HTMLCONTROLForms.HTML:Checkbox.1D计算事物数值之间的比值正确答案:ABHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.152.一元线性回归方程中的回归系数b可以表示为：HTMLCONTROLForms.HTML:Checkbox.1A两个变量之间相关关系的密切程度；HTMLCONTROLForms.HTML:Checkbox.1B两个变量之间相关关系的方向；HTMLCONTROLForms.HTML:Checkbox.1C当自变量增减一个单位时，因变量平均增减的量；HTMLCONTROLForms.HTML:Checkbox.1D当因变量增减一个单位时，自变量平均增减的量；HTMLCONTROLForms.HTML:Checkbox.1E回归方程的拟合优度正确答案:BCHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.153.在全市科技人员调查中：HTMLCONTROLForms.HTML:Checkbox.1A全市所有的科技人员是总体；HTMLCONTROLForms.HTML:Checkbox.1B每一位科技人员是总体单位；HTMLCONTROLForms.HTML:Checkbox.1C具有高级职称的人数是数量指标；HTMLCONTROLForms.HTML:Checkbox.1D具有高级职称的人数是质量指标正确答案:ABCHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.154.按数量标志将总体单位分组形成的分布数列是：HTMLCONTROLForms.HTML:Checkbox.1A变量数列；HTMLCONTROLForms.HTML:Checkbox.1B品质数列；HTMLCONTROLForms.HTML:Checkbox.1C变量分布数列；HTMLCONTROLForms.HTML:Checkbox.1D品质分布数列；HTMLCONTROLForms.HTML:Checkbox.1E次数分布数列正确答案:ACEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.155.在下列判断中，不正确的有：HTMLCONTROLForms.HTML:Checkbox.1A按数量标志分组的变量数列就是次数分布数列；HTMLCONTROLForms.HTML:Checkbox.1B按分组标志在性质上的差别，统计分组可分为简单分组和复合分组；HTMLCONTROLForms.HTML:Checkbox.1C连续变量可以作单项式分组或组距式分组，而离散变量只能作组距式分组；HTMLCONTROLForms.HTML:Checkbox.1D异距数列中，为了消除组距不等对次数分布的影响，一般要计算累汁次数；HTMLCONTROLForms.HTML:Checkbox.1E组中值的假定性是指假定各单位变量值在本组内呈均匀分布正确答案:BCDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.156.影响抽样平均误差的因素有：HTMLCONTROLForms.HTML:Checkbox.1A样本容量；HTMLCONTROLForms.HTML:Checkbox.1B抽样方式；HTMLCONTROLForms.HTML:Checkbox.1C总体标志变异程度；HTMLCONTROLForms.HTML:Checkbox.1D样本指标值的大小；HTMLCONTROLForms.HTML:Checkbox.1E总体单位数的多少正确答案:ABCDEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.157.方差分析是：HTMLCONTROLForms.HTML:Checkbox.1A检验假设各个总体均值是否全部相等的一种方法；HTMLCONTROLForms.HTML:Checkbox.1B检验同方差的若干正态总体均值是否相符的一种统计分析方法；HTMLCONTROLForms.HTML:Checkbox.1C单因素方差分析中SSTR=SST－SSE；HTMLCONTROLForms.HTML:Checkbox.1D单因素方差分析中，组间离差方和的自由度为K正确答案:ABCHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.158.用于分析现象发展水平的指标有：HTMLCONTROLForms.HTML:Checkbox.1A发展速度；HTMLCONTROLForms.HTML:Checkbox.1B发展水平；HTMLCONTROLForms.HTML:Checkbox.1C平均发展水平；HTMLCONTROLForms.HTML:Checkbox.1D增减量；HTMLCONTROLForms.HTML:Checkbox.1E平均增减量正确答案:BCDEHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.159.品质标志表示事物的质的特征，数量标志表示事物的量的特征，所以：HTMLCONTROLForms.HTML:Checkbox.1A数量标志可以用数值表示；HTMLCONTROLForms.HTML:Checkbox.1B品质标志可以用数值表示；HTMLCONTROLForms.HTML:Checkbox.1C数量标志不可以用数值表示；HTMLCONTROLForms.HTML:Checkbox.1D品质标志不可以用数值表示正确答案:ADHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.160.下列标志中，属于数量标志的有：HTMLCONTROLForms.HTML:Checkbox.1A性别；HTMLCONTROLForms.HTML:Checkbox.1B工种；HTMLCONTROLForms.HTML:Checkbox.1C工资；HTMLCONTROLForms.HTML:Checkbox.1D民族；HTMLCONTROLForms.HTML:Checkbox.1E年龄正确答案:CEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.161.标志变异指标的主要作用是：HTMLCONTROLForms.HTML:Checkbox.1A衡量平均数代表性的大小；HTMLCONTROLForms.HTML:Checkbox.1B反映统计数据的节奏性和均衡性；HTMLCONTROLForms.HTML:Checkbox.1C反映总体单位的均匀性和稳定性；HTMLCONTROLForms.HTML:Checkbox.1D分析总体的变动趋势正确答案:ABCHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.162.下面关于假设检验的陈述正确的是：HTMLCONTROLForms.HTML:Checkbox.1A假设检验实质上是对原假设进行检验；HTMLCONTROLForms.HTML:Checkbox.1B假设检验实质上是对备择假设进行检验；HTMLCONTROLForms.HTML:Checkbox.1C当拒绝原假设时，只能认为肯定它的根据尚不充分，而不能认为它绝对错误；HTMLCONTROLForms.HTML:Checkbox.1D假设检验并不是根据样本结果简单地或直接地判断原假设和备择假设哪一个更有可能正确；HTMLCONTROLForms.HTML:Checkbox.1E当接受原假设时，只能认为否定它的根据尚不充分，而不是认为它绝对正确正确答案:ACEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.163.不同总体之间的标准差不能直接对比是因为：HTMLCONTROLForms.HTML:Checkbox.1A平均数不一致；HTMLCONTROLForms.HTML:Checkbox.1B计量单位不一致；HTMLCONTROLForms.HTML:Checkbox.1C标准差不一致；HTMLCONTROLForms.HTML:Checkbox.1D总体单位数不一致正确答案:ABHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.164.分层抽样具体可以分为：HTMLCONTROLForms.HTML:Checkbox.1A等比例的分层抽样；HTMLCONTROLForms.HTML:Checkbox.1B纯随机抽样；HTMLCONTROLForms.HTML:Checkbox.1C机械抽样；HTMLCONTROLForms.HTML:Checkbox.1D整群抽样；HTMLCONTROLForms.HTML:Checkbox.1E不等比例分层抽样正确答案:AEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.165.下列指标中属于强度相对指标的有：HTMLCONTROLForms.HTML:Checkbox.1A人均国内产生总值；HTMLCONTROLForms.HTML:Checkbox.1B人口密度；HTMLCONTROLForms.HTML:Checkbox.1C人均钢产量；HTMLCONTROLForms.HTML:Checkbox.1D商品流通费正确答案:ABCDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.166.下列指标中属于质量指标的有：HTMLCONTROLForms.HTML:Checkbox.1A劳动生产率；HTMLCONTROLForms.HTML:Checkbox.1B废品量；HTMLCONTROLForms.HTML:Checkbox.1C单位产品成本；HTMLCONTROLForms.HTML:Checkbox.1D资金利润率；HTMLCONTROLForms.HTML:Checkbox.1E上缴税利额正确答案:ACDHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.167.在组距数列中，组中值是：HTMLCONTROLForms.HTML:Checkbox.1A上限和下限之间的中点数值；HTMLCONTROLForms.HTML:Checkbox.1B用来代表各组标志值的平均水平；HTMLCONTROLForms.HTML:Checkbox.1C在开口组中无法确定；HTMLCONTROLForms.HTML:Checkbox.1D在开口组中也可以参照相邻组的组距来确定；HTMLCONTROLForms.HTML:Checkbox.1E就是组平均数正确答案:ABDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.168.以下属于连续变量的有：HTMLCONTROLForms.HTML:Checkbox.1A国土面积；HTMLCONTROLForms.HTML:Checkbox.1B人口总数；HTMLCONTROLForms.HTML:Checkbox.1C年龄；HTMLCONTROLForms.HTML:Checkbox.1D总产值正确答案:ACDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.169.在指数体系中：HTMLCONTROLForms.HTML:Checkbox.1A现象总变动指数等于两个（或两个以上）因素指数的代数和；HTMLCONTROLForms.HTML:Checkbox.1B现象总变动指数等于两个（或两个以上）因素指数的乘积；HTMLCONTROLForms.HTML:Checkbox.1C存在相对数之间的数量对等关系；HTMLCONTROLForms.HTML:Checkbox.1D存在绝对变动额之间的数量对等关系；HTMLCONTROLForms.HTML:Checkbox.1E各指数都是综合指数正确答案:BCDEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.170.同度量因素的作用有：HTMLCONTROLForms.HTML:Checkbox.1A平衡作用；HTMLCONTROLForms.HTML:Checkbox.1B权数作用；HTMLCONTROLForms.HTML:Checkbox.1C媒介作用；HTMLCONTROLForms.HTML:Checkbox.1D同度量作用；HTMLCONTROLForms.HTML:Checkbox.1E比较作用正确答案:BCDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.171.下列等式中，正确的有：HTMLCONTROLForms.HTML:Checkbox.1A增长速度=发展速度－１；HTMLCONTROLForms.HTML:Checkbox.1B环比发展速度＝环比增长速度－１；HTMLCONTROLForms.HTML:Checkbox.1C定基发展速度＝定基增长速度＋１；HTMLCONTROLForms.HTML:Checkbox.1D平均发展速度＝平均增长速度－１；HTMLCONTROLForms.HTML:Checkbox.1E平均增长速度＝平均发展速度－１正确答案:ACEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.172.平均数指数是：HTMLCONTROLForms.HTML:Checkbox.1A个体指数的加权平均数；HTMLCONTROLForms.HTML:Checkbox.1B计算总指数的一种形式；HTMLCONTROLForms.HTML:Checkbox.1C就计算方法上是先综合后对比；HTMLCONTROLForms.HTML:Checkbox.1D资料选择时，既可以用全面资料，也可以用非全面资料；HTMLCONTROLForms.HTML:Checkbox.1E可作为综合指数的变形形式来使用正确答案:ADEHTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.173.普查是全面调查，抽样调查是非全面调查，所以普查一定比抽样调查准确。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:错HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.174.能够拒绝原假设的统计量的所有可能取值的集合称为拒绝域。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.175.显著性水平是指在假设检验中犯第I类错误的概率水平。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.176.任何统计数据都可以归结为绝对数、相对数和平均数中的一种。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.177.已知各级别工人的月工资水平和各组工资总额，可以采用加权算术平均法计算平均工资。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.178.若要比较两个变量分布平均数代表性的高低，则方差或标准差大者平均数的代表性差。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.179.长期趋势是影响时间序列的根本性，决定性的因素。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.180.只要变量分布具有相同的标准差，就会有相同的分布形状。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:错HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.181.指数的实质是相对数，它能反映现象的变动和差异程度。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.182.在各种时间序列中，变量值的大小都受到时间长短的影响。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:错HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.183.当总体单位不多，差异较小时，适宜采用简单随机抽样方式。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.184.描述统计与推断统计的区别在于前者简单，后者复杂。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:错HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTROLForms.HTML:Hidden.185.估计标准误差值越大，直线回归方程的精确性越低。HTMLCONTROLForms.HTML:Option.1正确HTMLCONTROLForms.HTML:Option.1错误正确答案:对HTMLCONTROLForms.HTML:Hidden.1判断题HTMLCONTRO