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河北省定州2020学年高二上学期周练10.9数学试题

河北省定州2020学年高二上学期周练10.9数学试题
河北省定州2020学年高二上学期周练10.9数学试题

河北定州中学2016-2017学年第一学期高二数学周练试题(五)

一、选择题

1.用199,,1,0???给200个零件编号,并用系统抽样的方法从中抽取10件作为样本进行质量检测,若

第一段中编号为5的零件被取出,则第二段中被取出的零件编号为( )

A .25

B .10

C .15

D .20

2.用199,,1,0???给200个零件编号,并用系统抽样的方法从中抽取10件作为样本进行质量检测,若

第一段中编号为5的零件被取出,则第二段中被取出的零件编号为( )

A .20

B .25

C .15

D .10

3.现要完成下列3项抽样调查:

①从15件产品中抽取3件进行检查;

②某公司共有160名员工,其中管理人员16名,技术人员120名,后勤人员24名,为了了解员工对公司的意见,拟抽取一个容量为20的样本;

③电影院有28排,每排有32个座位,某天放映电影《英雄》时恰好坐满了观众,电影放完后,为了听取意见,需要请28名观众进行座谈。

较为合理的抽样方法是

A .①简单随机抽样,②系统抽样,③分层抽样

B .①分层抽样,②系统抽样,③简单随机抽样

C .①系统抽样,②简单随机抽样,③分层抽样

D .①简单随机抽样,②分层抽样,③系统抽样

4.某公司现有职员160人,中级管理人员30人,高级管理人员10人,要从其中抽取20个人进行身体健康检查,如果采用分层抽样的方法,则职员、中级管理人员和高级管理人员各应该抽取多少人

A .8,15,7

B .16,2,2

C .16,3,1

D .12,3,5

5.某校高三年级有男生500人,女生400人,为了解该年级学生的健康情况,从男生中任意抽取25人,从女生中任意抽取20人进行调查.这种抽样方法是( )

A .简单随机抽样法

B .抽签法

C .随机数表法

D .分层抽样法

6.某学校有男学生400名,女学生600名,为了解男女学生在学校兴趣与业余爱好方面是否存在显著差异,拟从全体学生中抽取男学生40名,女学生60名进行调查,则这种抽样方法是( )

A .抽签法

B .随机数法

C .系统抽样法

D .分层抽样法

7.为了解凯里地区的中小学生视力情况,拟从凯里地区的中小学生中抽取部分学生进行调查,事先已了解到凯里地区小学、初中、高中三个学段学生的视力情况有较大差异,而男女生视力情况差异不大,在下面的抽样方法中,最合理的抽样方法是()

A.简单随机抽样 B.按性别分层抽样错误!未找到引用源。

C.按学段分层抽样 D.系统抽样

8.某校高三年级共1200名学生,现采用分层抽样方法抽取一个容量为200的样本进行健康状况调查,若抽到男生比女生多10人,则该校男生共有()

A.700 B.660 C.630 D.610

9.某学校有体育特长生25人,美术特长生35人,音乐特长生40人,用分层抽样的方法从中抽取40人,则抽取的体育特长生、美术特长生、音乐特长生的人数分别为()

A.8,14,18 B.9,13,18 C.10,14,16 D.9,14,17

10.某公司甲、乙、丙、丁四个地区分别有150个、120个、180个、150个销售点.公司为了调查产品销售的情况,需从这600个销售点中抽取一个容量为100的样本,记这项调查为①;在丙地区中有20个特大型销售点,要从中抽取7个调查其收入和售后服务等情况,记这项调查为②,则完成①、②这两项调查宜采用的抽样方法依次是

A.分层抽样法,系统抽样法

B.分层抽样法,简单随机抽样法

C.系统抽样法,分层抽样法

D.简单随机抽样法,分层抽样

11.某校高中生共有900人,其中高一年级300人,高二年级200人,高三年级400人,先采用分层抽取容量为45人的样本,那么高一、高二、高三年级抽取的人数分别为()

A.15、5、25 B.15、15、15 C.10、5、30 D.15、10、20

12.某学校有男学生400名,女学生600名.为了解男女学生在学习兴趣与业余爱好方面是否存在显著差异,拟从全体学生中抽取男学生40名,女学生60名进行调查,则这种抽样方法是

A.抽签法 B.随机数法 C.系统抽样法 D.分层抽样法

二、填空题

13.某校对全校900名男女学生进行健康调查,选用分层抽样法抽取一个容量为100的样本.已知女生抽了25人,则该校的男生数应是人.

14.总体编号为01,02,…,19,20的20个个体组成.利用下面的随机数表选取5个个体,选取方法

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