2022年初级统计学和统计法基础知识试卷 .pdf
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1、二一五年度全国统计专业技术初级资格考试统计学和统计法基础知识试卷1在你拿到试卷的同时将得到一份专用答题卡,所有试题均须在专用答题卡上作答,在试卷或草稿纸上作答不得分。2答题时请认真阅读试题,对准题号作答。一、单项选择题(以下每小题各有四项备选答案,其中只有一项是正确的。本题共40分,每小题1 分。)1某厂家声称其该批产品的合格率达到了99%,商场可以采用()的方法来决定是否收货。A相关分析B典型分析C描述统计D推断统计2“工人”是一种职业,它是()。A定性变量B定量变量C定性数据D定量数据3在观察新药的有效作用时,研究人员搜集的数据是()。A一手观测数据B二手观测数据C一手实验数据D二手实验数
2、据4众数常用来反映数据的集中趋势,它()。注意事项A不适用分类数据B不适用严重偏态的数据C不受极端变量值的影响D受极端变量值的影响5某支股票20XX 年 6 月份收盘价的最高值为46 元,最低值为26 元,平均值为 30 元,方差为 36,则该股票6 月份收盘价的离散系数为()。A 1.2 B0.2 C0.8 D0.3 6欲从 1000 家小微企业中随机抽取3%的企业调查其融资情况,如果采用不重复抽样,可能的样本有()。A301000B!30-1000(!30!1000)C!30!1000D!30-1000!1000)(7统计量用来描述(),它是样本的函数。A样本的数量特征B样本的品质特征C总
3、体的数量特征D总体的品质特征8假定1 亿人口的国家与100 万人口国家居民年龄的方差相同,现在各自用重复抽样方法抽取本国1的人口推断总体的平均年龄,则抽样标准误差()。A两者相等B前者大于后者C前者小于后者D无法确定9估计量的无偏性是指()。A估计量没有任何偏差B估计量的方差最小C估计量的值接近被估计总体的参数D估计量抽样分布的期望值等于被估计的总体参数10研究者对某地区流动人口家庭的生活费用支出情况进行了一次抽样调查,样本容量为 400 户。根据调查数据计算得到:样本平均数元1250 x,标准差元140S。文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文
4、档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA
5、4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7
6、V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 H
7、U10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F
8、8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6
9、ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A
10、1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2则该地区流动人口家庭月平均生活费用95%的置信区间为()。(备注:96.1025.0Z)A(1236.28 元,1263.72 元)B(1236.28 元,1563.72 元)C(1200.00 元,1563.72 元)D(1200.00 元,1263.
11、72 元)11今从全区餐饮企业中随机抽取100 家调查其纳税情况,结果发现有80 家企业的月均纳税额在200 万元以上,则全区餐饮企业月均纳税额在200 万元以上比例95%的置信区间为()。(备注:96.1025.0Z)A(0.7216,0.8784)B(7.216,8.784)C(0.76,0.84)D(7.6,8.4)12区政府希望了解辖区内小微企业的平均盈利情况。若要将平均利润的最大允许误差控制在 20 万元以内,置信度为95%,以前的经济普查数据显示其总体标准差为100万元,在重复简单随机抽样条件下需要抽选()家企业进行调查。(备注:96.1025.0z)。A96 B97 C196 D
12、197 13在确定样本容量时,其大小会随着()。A总体标准差的增大而变小B允许误差的增大而变小C推断把握程度的提高而变小D推断精度的提高而变小14在简单随机重复抽样的情况下,要使抽样平均误差减少1/4,其他条件不变,则样本单位数必须增加到原来的()。A4 倍B16 倍C4/3 倍D16/9 倍15如果一个时间序列连续3 期的环比增长速度为18%、20%和 25%,则其总发展速度为()。A18%20%25%=0.9%文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA
13、4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7
14、V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 H
15、U10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F
16、8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6
17、ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A
18、1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文
19、档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2B118%120%125%=177%C3%25%20%18=20.8%D3%125%120%118=120.96%16根据乘法模型进行时间序列分解时,若没有季节变动,则各期季节指数()。A等于 100%B小于 100%C大于 100%D无法确定17下面的方程中,()是错误的。At05.0300Tt81.0rBt 3.0200Tt85.0rCt 5.
20、1210Tt88.0rDt2.2530Tt90.0r18利用移动平均法分析时间序列时,其移动项数越大,()。A对原序列的修匀作用越大B对原序列的修匀作用越小C使原序列的波动更大D对原序列没有影响19采用指数平滑法分析时间数列长期趋势的关键是()。A确定合适的步长B确定合适的平滑系数C确定合适的平均期数D确定合适的步长和平滑系数20光明冷饮厂的统计人员根据2010-20XX 年各季度收入,利用考虑长期趋势的最小二乘法预测出20XX 年第三、第四季度的收入分别为190 万元和 200 万元,并计算出各季度的季节比率分别为44%,118%,162%和 76%,则 20XX 年第三和第四季度经过季节比
21、率调整后的预测值分别为()。A%162190,%76200B%76200,%162190C%76%,16222001902200190D无法计算文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5
22、HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7
23、F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6
24、 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5
25、A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2文档编码:CA4L10K7V9Z5 HU10H7F8E6X6 ZT1U5A1G7Z2
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