2025年统计学期末考试：抽样调查方法在公共卫生研究中的应用试题

2025年统计学期末考试：抽样调查方法在公共卫生研究中的应用试题考试时间：______分钟总分：______分姓名：______一、选择题1.在抽样调查中，以下哪种抽样方法是最简单的随机抽样方法？A.简单随机抽样B.分层抽样C.系统抽样D.整群抽样2.在公共卫生研究中，以下哪个概念不属于抽样误差？A.样本代表性B.总体方差C.样本方差D.抽样概率3.抽样调查的基本目的是：A.获取总体信息B.控制总体方差C.估计总体参数D.减少总体标准差4.以下哪种抽样方法适合用于对一个大城市进行居民健康状况调查？A.简单随机抽样B.分层抽样C.系统抽样D.整群抽样5.在抽样调查中，以下哪个因素可能导致抽样误差？A.样本量B.总体同质性C.抽样方法D.以上都是6.以下哪种抽样方法适用于总体分布不均匀的情况？A.简单随机抽样B.分层抽样C.系统抽样D.整群抽样7.在抽样调查中，以下哪个概念表示样本的代表性？A.抽样误差B.样本方差C.样本代表性D.总体同质性8.以下哪种抽样方法适用于对某地区所有学校的学生进行健康调查？A.简单随机抽样B.分层抽样C.系统抽样D.整群抽样9.在抽样调查中，以下哪个概念表示总体方差？A.样本方差B.抽样误差C.总体方差D.样本代表性10.在抽样调查中，以下哪个概念表示样本的标准差？A.样本方差B.抽样误差C.总体方差D.样本代表性二、填空题1.抽样调查是通过对__________的观察和研究，来推断__________的一种研究方法。2.抽样调查中，抽样误差是指__________与__________之间的差异。3.简单随机抽样是一种__________的抽样方法，每个个体都有__________的机会被抽中。4.分层抽样是将总体划分为若干__________，然后从每个__________中随机抽取样本。5.系统抽样是一种__________的抽样方法，首先确定__________，然后按__________进行抽样。6.整群抽样是一种__________的抽样方法，以__________为单位进行抽样。7.在公共卫生研究中，抽样调查可以用于__________、__________和__________等方面。8.抽样调查的目的是__________、__________和__________。9.抽样调查中的样本代表性是指__________。10.抽样调查中的抽样误差是指__________。三、判断题1.抽样调查是一种全面调查方法。（）2.抽样调查的结果可以完全代表总体情况。（）3.简单随机抽样适用于任何总体分布情况。（）4.分层抽样可以提高样本的代表性。（）5.系统抽样适用于总体分布不均匀的情况。（）6.整群抽样可以提高样本的代表性。（）7.抽样调查可以完全消除抽样误差。（）8.抽样调查的结果可以用来推断总体参数。（）9.抽样调查的样本量越大，抽样误差越小。（）10.抽样调查中的样本方差可以用来估计总体方差。（）四、计算题要求：根据下列数据，计算样本均值、样本方差和样本标准差。已知某地区1000名居民的健康数据如下（单位：千克）：62,68,70,65,67,64,71,72,69,73,65,66,70,68,67,69,74,75,72,71,67,68,70,64,65,66,72,74,71,70,68,69,71,73,72,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70,66,67,72,73,71,74,68,69,70,66,67,72,73,71,74,68,69,70,67,68,72,73,71,74,69,70本次试卷答案如下：一、选择题1.A解析：简单随机抽样是最简单的随机抽样方法，每个个体都有相同的机会被抽中。2.B解析：总体方差是描述总体数据分散程度的指标，不属于抽样误差。3.C解析：抽样调查的基本目的是估计总体参数，即通过对样本的观察来推断总体的情况。4.B解析：分层抽样适用于总体分布不均匀的情况，可以将总体划分为不同的层次，提高样本的代表性。5.D解析：抽样误差可能由样本量、总体同质性、抽样方法和抽样概率等因素导致。6.B解析：分层抽样适用于总体分布不均匀的情况，可以提高样本的代表性。7.C解析：样本代表性是指样本能够代表总体的程度。8.D解析：整群抽样适用于对某个单位（如学校）进行抽样，可以简化抽样过程。9.C解析：总体方差是描述总体数据分散程度的指标。10.A解析：样本方差是描述样本数据分散程度的指标。二、填空题1.部分样本总体情况解析：抽样调查通过对部分样本的观察和研究，来推断总体的情况。2.样本统计量总体参数解析：抽样误差是指样本统计量与总体参数之间的差异。3.随机相同解析：简单随机抽样是随机的，每个个体都有相同的机会被抽中。4.层次各层解析：分层抽样将总体划