医学统计选择题无答案（Medical statistics multiple-choice questions without answer）.docVIP

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医学统计选择题无答案（Medical statistics multiple-choice questions without answer）.doc

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医学统计选择题无答案（Medical statistics multiple-choice questions without answer）

医学统计选择题无答案（Medical statistics multiple-choice questions without answer） Review of Health Statistics Choice question I. A1: each question has five alternative answers: A, B, C, D, and E. Please choose the best answer from them. (1 ) 1, the basic steps of statistical work are: A. design, investigate, review, sort out data, B. collect, review, collate and analyze data C. design, collect, collate, analyze data, D., investigate, review, collate and analyze data E. or more is wrong 2. Statistics refer to the sample A. randomly extracts part of the B. from the population and selects meaningful parts according to the researchers requirements C. consciously selects the typical part of the population, D. randomly extracts a representative part from the population E. or more is wrong 3 、 statistical system error, measurement error and sampling error in actual work: A. is unavoidable, B. system error and measurement error are unavoidable. C. measurement error and sampling error are unavoidable D. system error and sampling error are inevitable, E. only sampling error is unavoidable 4, the greater the Delta, the normal curve: The steeper the B., the A. shape remains, the smoother the C., the D. moves to the left, and the E. moves right 5, sampling error refers to: The difference between the A. individual value and the overall parameter value, the difference between the B. individual value and the sample statistic value The difference between the C. sample statistic value and the overall parameter value D. is not the difference of the overall parameter E. 6, the therapeutic effect decision data belong to: A. measurement data, B. technical information, C. level data, D. unordered classification data, E. or more are not 7, the average can be used to analyze which of the following data: A. statistical data, B. grade data, C. count data, D. measurement data, E. survey data 8, the average level of a set of normal or approximately normal distribution data: A. arithmetic mean, B. geometr