XXXX浙江大学远程管理统计学作业必做在线

您的本次作业分数为：94分HTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.11.二项分布的数学期望是：HTMLCONTROLForms.HTML:Option.1An(1-n)p；HTMLCONTROLForms.HTML:Option.1Bnp(1-p)；HTMLCONTROLForms.HTML:Option.1Cnp；HTMLCONTROLForms.HTML:Option.1Dn(1-p)正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.12.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.13.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.14.任一随机事件出现的概率为：HTMLCONTROLForms.HTML:Option.1A大于0；HTMLCONTROLForms.HTML:Option.1B小于0；HTMLCONTROLForms.HTML:Option.1C不小于1；HTMLCONTROLForms.HTML:Option.1D在0与1之间正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.15.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.16.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.17.抽样允许误差越大，抽样估计的精确度就：HTMLCONTROLForms.HTML:Option.1A越高；HTMLCONTROLForms.HTML:Option.1B越低；HTMLCONTROLForms.HTML:Option.1C无法确定；HTMLCONTROLForms.HTML:Option.1D两者之间没有关系正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.18.先按一定标志对总体各单位进行分类，然后分别从每一类按随机原则抽取一定单位构成样本的抽样组织形式是：HTMLCONTROLForms.HTML:Option.1A简单随机抽样；HTMLCONTROLForms.HTML:Option.1B阶段抽样；HTMLCONTROLForms.HTML:Option.1C分层抽样；HTMLCONTROLForms.HTML:Option.1D整群抽样正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.19.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.110.用于描述样本特征的概括性数字称为：HTMLCONTROLForms.HTML:Option.1A参数；HTMLCONTROLForms.HTML:Option.1B统计量；HTMLCONTROLForms.HTML:Option.1C变量；HTMLCONTROLForms.HTML:Option.1D变量值正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.111.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.112.对连续型变量值分为五组：第一组为40一50，第二组为50－60，第三组为60－70，第四组为70－80，第五组为80以上。依习惯上规定：HTMLCONTROLForms.HTML:Option.1A50在第一组，70在第四组；HTMLCONTROLForms.HTML:Option.1B60在第二组，80在第五组；HTMLCONTROLForms.HTML:Option.1C70在第四组，80在第五组；HTMLCONTROLForms.HTML:Option.1D80在第四组，50在第二组正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.113.当需要对不同总体或样本数据的离散程度进行比较时，则应使用：HTMLCONTROLForms.HTML:Option.1A极差；HTMLCONTROLForms.HTML:Option.1B平均差；HTMLCONTROLForms.HTML:Option.1C四分位差；HTMLCONTROLForms.HTML:Option.1D离散系数正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.114.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.115.在以下几个指标中，最不受极端值影响的平均数是：HTMLCONTROLForms.HTML:Option.1A众数；HTMLCONTROLForms.HTML:Option.1B均值；HTMLCONTROLForms.HTML:Option.1C中位数；HTMLCONTROLForms.HTML:Option.1D标准差正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.116.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.117.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.118.以下属于顺序变量的是：HTMLCONTROLForms.HTML:Option.1A身份证号；HTMLCONTROLForms.HTML:Option.1B性别；HTMLCONTROLForms.HTML:Option.1C职称等级；HTMLCONTROLForms.HTML:Option.1D身高正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.119.最常见的统计调查方式是：HTMLCONTROLForms.HTML:Option.1A普查；HTMLCONTROLForms.HTML:Option.1B重点调查；HTMLCONTROLForms.HTML:Option.1C抽样调查；HTMLCONTROLForms.HTML:Option.1D科学推算正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.120.自变量为X的一元回归直线方程中，X的系数的取值：HTMLCONTROLForms.HTML:Option.1A只能取正值；HTMLCONTROLForms.HTML:Option.1B只能取负值；HTMLCONTROLForms.HTML:Option.1C既可能取正值，也可能取负值；HTMLCONTROLForms.HTML:Option.1D只能是0正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.121.统计工作的成果是：HTMLCONTROLForms.HTML:Option.1A统计学；HTMLCONTROLForms.HTML:Option.1B统计工作；HTMLCONTROLForms.HTML:Option.1C统计资料；HTMLCONTROLForms.HTML:Option.1D统计分析与预测正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.122.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.123.某企业产品产量报告期比基期增长20%，单位产品成本上升5%，则产品总成本增长：HTMLCONTROLForms.HTML:Option.1A25%；HTMLCONTROLForms.HTML:Option.1B26%；HTMLCONTROLForms.HTML:Option.1C15%；HTMLCONTROLForms.HTML:Option.1D18%正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.124.划分连续变量的组限时，相邻的组限必须：HTMLCONTROLForms.HTML:Option.1A重叠；HTMLCONTROLForms.HTML:Option.1B相近；HTMLCONTROLForms.HTML:Option.1C间断；HTMLCONTROLForms.HTML:Option.1D不等正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.125.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.126.年末银行存款余额是：（甲）时期数列；（乙）时点数列。且已知2001～2005年的年末存款余额，要计算各年平均存款余额，要运用的平均数是：（丁）“首末折半法”序时平均；（丙）几何序时平均数。则正确答案是：HTMLCONTROLForms.HTML:Option.1A甲和丙；HTMLCONTROLForms.HTML:Option.1B乙和丙；HTMLCONTROLForms.HTML:Option.1C甲和乙；HTMLCONTROLForms.HTML:Option.1D乙和丁正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.127.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单选题HTMLCONTROLForms.HTML:Hidden.128.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.129.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.130.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.131.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.132.单位产品成本报告期比基期下降5%，产量增加6%，则生产费用：HTMLCONTROLForms.HTML:Option.1A增加；HTMLCONTROLForms.HTML:Option.1B降低；HTMLCONTROLForms.HTML:Option.1C不变；HTMLCONTROLForms.HTML:Option.1D很难判断正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.133.某企业生产某种产品，其产量每年增加5万吨，则该产品产量的环比增长速度：HTMLCONTROLForms.HTML:Option.1A逐年下降；HTMLCONTROLForms.HTML:Option.1B逐年增长；HTMLCONTROLForms.HTML:Option.1C逐年保持不变；HTMLCONTROLForms.HTML:Option.1D无法做结论正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.134.在离散趋势指标中，最容易受极端值影响的是：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:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.135.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.136.方差分析中的组间方差是：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:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.137.研究者想要了解的关于总体的某些特征值，称为：HTMLCONTROLForms.HTML:Option.1A参数；HTMLCONTROLForms.HTML:Option.1B统计量；HTMLCONTROLForms.HTML:Option.1C变量；HTMLCONTROLForms.HTML:Option.1D变量值正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.138.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.139.一份报告称：“由200部新车组成的一个样本表明，外国新车的油耗明显少于本国生产的新车”。这一结论属于：HTMLCONTROLForms.HTML:Option.1A对于样本的描述；HTMLCONTROLForms.HTML:Option.1B对于样本的推断；HTMLCONTROLForms.HTML:Option.1C对于总体的描述；HTMLCONTROLForms.HTML:Option.1D对于总体的推断正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.140.在相关分析中，对两个变量的要求是：HTMLCONTROLForms.HTML:Option.1A都是随机变量；HTMLCONTROLForms.HTML:Option.1B都不是随机变量；HTMLCONTROLForms.HTML:Option.1C其中一个是随机变量，一个是常数；HTMLCONTROLForms.HTML:Option.1D都是常数。正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.141.对一个假设检验问题而言的检验统计量，和对一组特定的样本观察值而言的检验统计量分别是：HTMLCONTROLForms.HTML:Option.1A确定的量和随机变量；HTMLCONTROLForms.HTML:Option.1B随机变量和确定的量；HTMLCONTROLForms.HTML:Option.1C确定的量和确定的量；HTMLCONTROLForms.HTML:Option.1D随机变量和随机变量正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.142.用简单随机重复抽样方法选取样本时，如果要使抽样平均误差降低50%，则样本容量需要扩大到原来的：HTMLCONTROLForms.HTML:Option.1A2倍；HTMLCONTROLForms.HTML:Option.1B3倍；HTMLCONTROLForms.HTML:Option.1C4倍；HTMLCONTROLForms.HTML:Option.1D5倍正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.143.根据时期时间序列，计算平均发展水平应当采用：HTMLCONTROLForms.HTML:Option.1A加权算术平均法；HTMLCONTROLForms.HTML:Option.1B首末折半法；HTMLCONTROLForms.HTML:Option.1C简单算术平均法；HTMLCONTROLForms.HTML:Option.1D几何平均法正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.144.显著性水平是指以下的哪一种概率或风险：HTMLCONTROLForms.HTML:Option.1A原假设为真时接受原假设；HTMLCONTROLForms.HTML:Option.1B原假设为假时接受原假设；HTMLCONTROLForms.HTML:Option.1C原假设为真时拒绝原假设；HTMLCONTROLForms.HTML:Option.1D原假设为假时拒绝原假设正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.145.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.146.定基发展速度与环比发展速度之间的关系表现为定基发展速度等于相应各环比发展速度：HTMLCONTROLForms.HTML:Option.1A的连乘积；HTMLCONTROLForms.HTML:Option.1B的连乘积再减去100%；HTMLCONTROLForms.HTML:Option.1C之和；HTMLCONTROLForms.HTML:Option.1D之和再减去100%正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.147.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.1HTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.148.一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.149.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.150.以下属于分类变量的是：HTMLCONTROLForms.HTML:Option.1A教龄；HTMLCONTROLForms.HTML:Option.1B工资；HTMLCONTROLForms.HTML:Option.1C牙膏销量；HTMLCONTROLForms.HTML:Option.1D网络支付方式（现金、信用卡、支票）正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.151.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.152.在计算指数的公式中，同度量因素的选择时期是：HTMLCONTROLForms.HTML:Option.1A报告期；HTMLCONTROLForms.HTML:Option.1B基期；HTMLCONTROLForms.HTML:Option.1C分母为基期，分子为报告期；HTMLCONTROLForms.HTML:Option.1D分子分母为同一时期正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.153.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.154.通过对误差的分析检验多个总体均值是否相等的一种统计方法是：HTMLCONTROLForms.HTML:Option.1A抽样估计；HTMLCONTROLForms.HTML:Option.1B假设检验；HTMLCONTROLForms.HTML:Option.1C方差分析；HTMLCONTROLForms.HTML:Option.1D回归分析正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.155.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.156.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.1单选题HTMLCONTROLForms.HTML:Hidden.157.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.158.编制数量指标综合指数所采用的同度量因素是：HTMLCONTROLForms.HTML:Option.1A质量指标；HTMLCONTROLForms.HTML:Option.1B数量指标；HTMLCONTROLForms.HTML:Option.1C综合指标；HTMLCONTROLForms.HTML:Option.1D相对指标正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.159.某商品价格发生变化，现在的100元只值原来的90元，则价格指数为：HTMLCONTROLForms.HTML:Option.1A10%；HTMLCONTROLForms.HTML:Option.1B90%；HTMLCONTROLForms.HTML:Option.1C110%；HTMLCONTROLForms.HTML:Option.1D111%正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.160.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.161.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.162.以下属于数值型变量的是：HTMLCONTROLForms.HTML:Option.1A体重；HTMLCONTROLForms.HTML:Option.1B性别；HTMLCONTROLForms.HTML:Option.1C工作岗位级别；HTMLCONTROLForms.HTML:Option.1D居民对某项改革措施的态度（支持、中立、反对）正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.163.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.1HTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.164.某工人月工资为2000元，工资属于：HTMLCONTROLForms.HTML:Option.1A品质标志；HTMLCONTROLForms.HTML:Option.1B数量标志；HTMLCONTROLForms.HTML:Option.1C变量值；HTMLCONTROLForms.HTML:Option.1D指标正确答案:BHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.165.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.166.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.167.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.168.对两变量的散点图拟合最好的回归线必须满足一个基本条件是：HTMLCONTROLForms.HTML:Option.1A因变量的各个观察值与拟合值差的和为最大；HTMLCONTROLForms.HTML:Option.1B因变量的各个观察值与拟合值差的和为最小；HTMLCONTROLForms.HTML:Option.1C因变量的各个观察值与拟合值差的平方和为最大；HTMLCONTROLForms.HTML:Option.1D因变量的各个观察值与拟合值差的平方和为最小。正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.169.某连续变量数列，其末组为500以上。又知其邻近组的组中值为480，则未组的组中值为：HTMLCONTROLForms.HTML:Option.1A520；HTMLCONTROLForms.HTML:Option.1B510；HTMLCONTROLForms.HTML:Option.1C530；HTMLCONTROLForms.HTML:Option.1D540正确答案:AHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.170.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.171.一个管理统计总体：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.172.在各种抽样组织形式中，最符合随机原则的组织形式是：HTMLCONTROLForms.HTML:Option.1A分层抽样；HTMLCONTROLForms.HTML:Option.1B整群抽样；HTMLCONTROLForms.HTML:Option.1C简单随机抽样；HTMLCONTROLForms.HTML:Option.1D阶段抽样正确答案:CHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.173.为调查某学校学生的上网时间，从一年级学生中抽取80名，从二年级学生中抽取60名，三年级学生中抽取50名进行调查。这种调查方法是：HTMLCONTROLForms.HTML:Option.1A简单随机抽样；HTMLCONTROLForms.HTML:Option.1B整群抽样；HTMLCONTROLForms.HTML:Option.1C系统调查；HTMLCONTROLForms.HTML:Option.1D分层调查正确答案:DHTMLCONTROLForms.HTML:Hidden.1单选题HTMLCONTROLForms.HTML:Hidden.174.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.175.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.176.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.177.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.178.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.179.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.1单选题HTMLCONTROLForms.HTML:Hidden.180.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多选题HTMLCONTROLForms.HTML:Hidden.181.同度量因素，也可以叫权数，是因为：HTMLCONTROLForms.HTML:Checkbox.1A它使得不同度量单位的现象总体转化为在数量上可以加总；HTMLCONTROLForms.HTML:Checkbox.1B客观上体现它在实际经济现象或过程中的份额；HTMLCONTROLForms.HTML:Checkbox.1C这是我们所要测定的那个因素；HTMLCONTROLForms.HTML:Checkbox.1D它必须固定在相同的时期正确答案:ABDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.182.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.183.指数体系中，指数之间的数量关系可表述为：HTMLCONTROLForms.HTML:Checkbox.1A总指数等于各因素指数的乘积；HTMLCONTROLForms.HTML:Checkbox.1B总指数等于各因素指数之和；HTMLCONTROLForms.HTML:Checkbox.1C总指数的分子分母之差等于因素指数的分子分母之差的和；HTMLCONTROLForms.HTML:Checkbox.1D总指数的分子分母之差等于因素指数的分子分母之差的积正确答案:ACHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.184.下列尺度中可以计量形成为定性数据的有：HTMLCONTROLForms.HTML:Checkbox.1A定类尺度；HTMLCONTROLForms.HTML:Checkbox.1B定序尺度；HTMLCONTROLForms.HTML:Checkbox.1C定距尺度；HTMLCONTROLForms.HTML:Checkbox.1D定比尺度正确答案:ABHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.185.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.1多选题HTMLCONTROLForms.HTML:Hidden.186.加权算术平均数等于简单算术平均数的条件是：HTMLCONTROLForms.HTML:Checkbox.1A各组变量值不相同；HTMLCONTROLForms.HTML:Checkbox.1B各组次数相等；HTMLCONTROLForms.HTML:Checkbox.1C各组权数都为1；HTMLCONTROLForms.HTML:Checkbox.1D分组的组数较少正确答案:BCHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.187.变量之间的关系按相关程度可分为：HTMLCONTROLForms.HTML:Checkbox.1A正相关；HTMLCONTROLForms.HTML:Checkbox.1B不相关；HTMLCONTROLForms.HTML:Checkbox.1C完全相关；HTMLCONTROLForms.HTML:Checkbox.1D不完全相关正确答案:BCDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.188.回归分析和相关分析的关系是：HTMLCONTROLForms.HTML:Checkbox.1A回归分析可用于估计和预测；HTMLCONTROLForms.HTML:Checkbox.1B相关分析是研究变量之间的相关关系的密切程度；HTMLCONTROLForms.HTML:Checkbox.1C回归分析中自变量和因变量可以互相推导并进行预测；HTMLCONTROLForms.HTML:Checkbox.1D相关分析需要区分自变量和因变量；HTMLCONTROLForms.HTML:Checkbox.1E相关分析是回归分析的基础正确答案:ABEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.189.统计调查按搜集资料的方法不同，可以分为：HTMLCONTROLForms.HTML:Checkbox.1A采访法；HTMLCONTROLForms.HTML:Checkbox.1B抽样调查法；HTMLCONTROLForms.HTML:Checkbox.1C直接观察法；HTMLCONTROLForms.HTML:Checkbox.1D典A:C:EAA型调查法；HTMLCONTROLForms.HTML:Checkbox.1E报告法正确答案:ACEHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.190.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.1HTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.191.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.192.经济管理统计的主要研究方法有：HTMLCONTROLForms.HTML:Checkbox.1A实验法；HTMLCONTROLForms.HTML:Checkbox.1B大量观察法；HTMLCONTROLForms.HTML:Checkbox.1C综合指标法；HTMLCONTROLForms.HTML:Checkbox.1D归纳推理法；HTMLCONTROLForms.HTML:Checkbox.1E分析估计法正确答案:BCDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.193.非全面调查包括：HTMLCONTROLForms.HTML:Checkbox.1A重点调查；HTMLCONTROLForms.HTML:Checkbox.1B抽样调查；HTMLCONTROLForms.HTML:Checkbox.1C快速普查；HTMLCONTROLForms.HTML:Checkbox.1D典型调查；HTMLCONTROLForms.HTML:Checkbox.1E统计年报正确答案:ABDHTMLCONTROLForms.HTML:Hidden.1多选题HTMLCONTROLForms.HTML:Hidden.194.平均指标和标志变异指标的关系是：HTMLCONTROLForms.HTML:Checkbox.1A标志变异指标越大，平均数代表性越大；HTMLCONTROLForm