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1、统计基础知识及统计实务（Statistical basic knowledge and statistical practice）Statistical basic knowledge and statistical practice (review data and calculation questions according to the Study Guide)First, individual choice questions:1., to understand the cultural level of workers in an industrial enterprise, th
2、e overall unit is (B).A. all the employees of the industrial enterprise B. each worker of the industrial enterpriseC. the cultural level of each worker in the industrial enterprise D. the average educational level of all the staff and workers of the enterprise2. a population (D).A. can only have one
3、 flag. B. can have multiple flags. C. can only have one index. D. can have multiple indexes3., the study on the employees of industrial enterprises in a city is as follows: (B).A. each industrial enterprise B. all industrial enterprises in the cityC. all the employees of each industrial enterprise D
4、. all the employees of all industrial enterprises in the city4. the data collected by statistical surveys can be raw or secondary data, and the relation between raw data and secondary data is (A).A. secondary data is the transition from raw data to B., and the two is irrelevantC. raw data is seconda
5、ry data; D. secondary data is inferior in quality to raw data5., the statistical survey has a comprehensive survey and a non comprehensive survey, and their mark is (D).Does A. register and measure B.? Do you fill in the questionnaire on time, and does C. develop a survey plan?Does the D. conduct a
6、survey of all units that make up the whole?6. according to whether the registration time of the investigation is continuous, the statistical investigation can be divided into continuous investigation and discontinuous survey. The following survey is a continuous survey (D)A. conducts a census every
7、10 years, and surveys the distribution of university graduates by B. in 2006C. conducted a thorough investigation of price movements in recent years, and D. reported iron and steel production by 10 days7. the relationship between the investigation unit and the reporting unit is (B).A. two are consis
8、tent, B. two is sometimes consistent, C. two does not matter, D. investigation unit is larger than reporting unit8. statistical reports of our country (B).A. are comprehensive statistical statements, B. is currently mostly comprehensive statistical statementsC. are mostly non comprehensive statistic
9、al statements D., only individual units fill in9. to investigate the population of the country at 24 in June 30, 1990, which is (C).A. periodic investigation methods, B. statistical reporting system, C. census, D. typical investigation10., through the investigation, Anshan Iron and steel, Wuhan Iron
10、 and steel and other major iron and steel base, to understand the basic situation of Chinas steel production. This method of investigation is (B).A. typical survey; B. key investigation; C. sampling survey; D. census11., in the statistical analysis, the number of married population and the number of
11、 unmarried population are required, and the corresponding survey sign is (A)A. marital status, B., married population, C., unmarried population, D., married and unmarried populationThe 12. census is (B).A. specializes in organizing a regular, comprehensive survey of B. specialized organizations for
12、a one-time full investigationC. specializes in the organization of a one-time, non full investigation of the regular non comprehensive survey of D. specialized organizations13. in the production process, the product quality inspection and control should be adopted (D).A. census methods, B., key inve
13、stigation methods, C., typical survey methods, D. sampling methods14. the following information belongs to the original record (B).A. statistics books, B. personal production records, C. summary tables, D. formsOne of the advantages of 15. home visits is (A).A. is easy to carry out quality control a
14、nd investigate more complex projects, and B. access has a high success rateThe cost of the C. survey is not high, and the D. investigation is fast16., one of the disadvantages of street interception is (D).A. questionnaire length is relatively long, B. cost is relatively high, C. efficiency is not h
15、igh, D. collection of data on the overall representation is not strong17. according to the quality mark that reflects the difference of things attributes, grouping is called grouping according to the quality mark. The following grouping belongs to this category (B).The A. population is divided into
16、groups according to age. B. students are grouped by sex, and C. employees are grouped according to the wage levelD. enterprises are grouped according to the number of employees18. in grouping, if the symbol value of a unit is equal to the upper and lower value of the next two groups, it is generally (C).A. sets
