2005 年上海华东师范大学社会经济统计学原理考研真题 （携带计算器） 一、名词解释（40 分） 1. 普查; _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 2.统计量; _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 3.统计分组; _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 4.定基增长速度; _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 5.标准差系数; _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 

6.整群抽样; _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 7.回归分析; _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 8.总指数。 _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 二、简答题（50 分） 1.什么是权数?它在计算平均数中有什么作用? _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 2.一个完整的统计调查方案包括那些方面? _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 3.什么是假设检验?其作用是什么? _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 

_________________________________________________ 4.抽样误差、抽样极限误差和概率度三者之间有什么关系? _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 5.综合指数有哪些特点? _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _________________________________________________ 三、计算题（60 分） 1. 已知变量 x 的数值及其出现的频数 f 如下表∶ 请计算∶ （1）加权算术平均数; （2）加权调和平均数; （3）标准差。 2.某单位职工的月收入额分组情况如下表，请计算该单位职工的月收入 中位数∶ 

3.某商店两种商品的价格及销售量资料如下表∶ 请计算∶ （1）A 商品的销售量指数; （2）A、B 两商品的销售量总指数。 4.某总体服从正态分布，其标准差 为 12，现从样本量 400 的抽样中计算得出其平均值为 =21，试以显著性水平α=0.05 确定总体的平均值是否不超过 20.（查表得知 Z0.05=1.64）