Data statistical analysis (SPSS) [8]

1. stay SPSS in , If necessary SPSS Single sample data t test , Which of the following steps should be taken ？（2 branch ）

A. Menu selection ：【 analysis （A）】→【 Multiple responses （U）】→【 Single factor ANOVA】
B. Menu selection ：【 analysis （A）】→【 Describe statistics 】→【 Single factor ANOVA】
C. Menu selection ：【 analysis （A）】→【 Single factor ANOVA】
D. None of the above

2. In statistical analysis theory , The mean represents the degree of dispersion of the random variable .（3 branch ）

A. correct
B. error

3. In statistical analysis theory , The mean represents the degree of dispersion of the random variable .（2 branch ）

A. correct
B. error

4. Generally speaking, installing software does not generate shortcuts on the desktop .（3 branch ）

A. correct
B. error

5. stay SPSS in , If you need to use several SPSS Data in a data file , What is the more convenient method ?（2 branch ）

A. take SPSS Copy the data in the data file
B. Use MIN function
C. Several of the SPSS Data files are merged vertically or horizontally
D. Use SUM function

6. stay SPSS in , If you need to define a multi option variable set , Which of the following methods should be used ？（2 branch ）

A. Menu selection ：【 analysis （A）】→【 Multiple responses （U）】→【 Define a variable set （D）】
B. Menu selection ：【 analysis （A）】→【 Describe statistics 】→【 Crossover table （C）】
C. Menu selection ：【 analysis （A）】→【 Describe statistics 】→【 describe （D）】
D. None of the above

7. When in SPSS The input variable in the data file is “ Date of incorporation ”, The variable type you should select is ：（2 branch ）

A. Numerical type
B. String type
C. Date type
D. Integer type

8.SPSS There is no need to understand the complete menu mode in SPSS Programming concepts .（3 branch ）

A. correct
B. error

9. stay SPSS In software , Which of the following does not belong to SPSS Variable type ?（2 branch ）

A. floating-point
B. Numerical type
C. String type
D. Date type

10. The sample value sequence is male, female, female, male, female, male, male , Then the run length of the whole sample value sequence is ：（2 branch ）

A.5
B.7
C.10
D.3

11. Which of the following does not belong to SPSS Basic variable type of ：（2 branch ）

A. Numerical type
B. String type
C. Date type
D. Integer type

12. Which two windows are SPSS The most basic window ？（2 branch ）

A. Data editor window 、 Result viewer window
B. Data editor window 、 Syntax window
C. Syntax window 、 Result viewer window
D. Data editor window 、 Status output window

13. about SPSS Come on , The data preprocessing method that can quickly find the outliers of variable data is ：（2 branch ）

A. Sort
B. Subtotal
C. Variable calculation
D. grouping

14. The naming rules for variables are generally ： The number of characters in the variable name is no more than 8.（2 branch ）

A. correct
B. error

15. There is a batch of data ：3.2,1.3,4.5,6,0.8,9.8,1.2, be 9.8 The rank of is ：（2 branch ）

A.2
B.3
C.1
D.7

16. stay SPSS In software , function Max What functions are implemented ?（2 branch ）

A. seek e Some powers of
B. Find the absolute value
C. Find the maximum value of multiple variable values
D. Find the average of multiple variable values

17. stay SPSS in , The common basic descriptive statistics can be roughly divided into three categories , Which of the following descriptions does not fall into these three categories ？（2 branch ）

A. Descriptive statistics for characterizing centralized trends
B. Descriptive statistics characterizing the degree of discreteness
C. Descriptive statistics characterizing mean size
D. Descriptive statistics characterizing distribution patterns

18. Use three forms of promotion to 10 To sell , When there are significant differences in the overall distribution of commodity sales under various forms of promotion , It shows that these three forms of promotion have different effects on commodity sales .（3 branch ）

A. correct
B. error

19.Spss The file extension when saving the output results is .spv.（2 branch ）

A. correct
B. error

20. stay SPSS in , Compared with ordered and typed variables , Histogram is more suitable for numerical variables .（2 branch ）

A. correct
B. error

21. stay SPSS in , If necessary SPSS Two paired samples of data t test , Which of the following steps should be taken ？（2 branch ）

A. Menu selection ：【 analysis （A）】→【 Compare the mean （M）】→【 Paired samples T test （P）】
B. Menu selection ：【 analysis （A）】→【 Multiple responses （U）】→【 Paired samples T test （P）】
C. Menu selection ：【 analysis （A）】→【 Describe statistics 】→【 Paired samples T test （P）】
D. None of the above

22. In hypothesis testing , When the probability corresponding to the value of the calculated test statistic P When the value is greater than the significance level , Refuse .（2 branch ）

A. correct
B. error

23. The naming rules for variables are generally ： The number of characters in the variable name is no more than 8.（3 branch ）

A. correct
B. error

24. stay SPSS in , According to the basic idea of hypothesis testing , Hypothesis testing can be summarized into four basic steps , Which of the following statements does not belong to the four basic steps ？（2 branch ）

A. Calculate the value of the test statistic .
B. Put forward null hypothesis （ Write it down as H0） And the alternative hypothesis （ Write it down as H1）.
C. Select test statistics .
D. Given the level of significance , And make statistical decisions .

25. The mean value reflects the dispersion of a variable .（2 branch ）

A. correct
B. error

26.SPSS The data main window menu should be selected to sort the data in .（2 branch ）

A. correct
B. error

27. There is a batch of data ：3.2,1.3,4.5,6,0.8,9.8,1.2, be 0.8 The rank of is ：（2 branch ）

A.2
B.3
C.1
D.4

28.SPSS The data main window menu should be selected to sort the data in .（3 branch ）

A. correct
B. error

29. In a student's data sheet , Have usual scores 、 Experiment score and volume score , If you use SPSS Calculate the final score , You need to use SPSS In pretreatment ：（2 branch ）

A. Sort
B. Subtotal
C. Variable calculation
D. grouping

30. It is known that two batches of independent random samples obey normal distribution , To test whether the variance of these two batches of random samples is the same , You need to use ：（2 branch ）

A.F test
B.t test
C.S test
D.Q test

31. stay SPSS in , If necessary SPSS Data processing K-Means Clustering analysis , Which of the following steps should be taken ？（2 branch ）

A. Menu selection ：【 graphics （G）】→【 Return to （R）】→【K- Mean clustering （K）】
B. Menu selection ：【 analysis （A）】→【 classification （F）】→【K- Mean clustering （K）】
C. Menu selection ：【 analysis （A）】→【K- Mean clustering （K）】
D. None of the above

32. Completely establish and use SPSS When data file , Two tasks need to be completed ：① describe SPSS Structure of data .② Enter and edit SPSS Data content of .（2 branch ）

A. correct
B. error

33. A batch of random numbers with normal distribution but uncertain mean value are known , Now it is necessary to check whether the mean value is a certain value , Two independent samples shall be used t test .（2 branch ）

A. correct
B. error

34.K-S Inspection can be used for ：（2 branch ）

A. Mean test
B. Nonparametric test
C. Parameter test
D. Variance test

35. stay SPSS in , Which of the following does not belong to SPSS Four commonly used scatter charts provided ？（2 branch ）

A. Simple scatter chart
B. One dimensional scatter diagram
C. Overlapping scatter plot
D. Matrix scatter

36. The parameter test is performed when the population distribution is known , For the parameters of the population distribution, such as the mean 、 Variance, etc .（2 branch ）

A. correct
B. error

37. The existing batch of data is (0,1,2,-2,3,-3,4), Then the range of this batch of data is ：（2 branch ）

A.7
B.6
C.3
D.4

38. Which of the following is not a hierarchical clustering method ？（2 branch ）

A. Agglomerative clustering
B. Expansion clustering
C. Decomposition clustering
D. None of the above belong to

39. stay SPSS in , If necessary SPSS Data processing K-Means Clustering analysis , Which of the following steps should be taken ？（2 branch ）

A. Menu selection ：【 graphics （G）】→【 Return to （R）】→【K- Mean clustering （K）】
B. Menu selection ：【 analysis （A）】→【K- Mean clustering （K）】
C. Menu selection ：【 analysis （A）】→【 Return to （R）】→【K- Mean clustering （K）】
D. None of the above

40. In statistical analysis , The basic statistics describing the degree of symmetry of variable data distribution are ：（2 branch ）

A. Standard deviation
B. skewness
C. kurtosis
D. mean value

41. stay SPSS In software , function Xdate.Mday（ Date variable ） What functions are implemented ?（2 branch ）

A. The date corresponding to the date type variable value is the day of the month .
B. The date corresponding to the date type variable value is the day of the year .
C. Find the day of the week corresponding to the date type variable value
D. The date corresponding to the date type variable value is the week of the year

42. stay SPSS in , Constants and variables in the same arithmetic expression , Data types can be inconsistent , It will not affect the calculation results .（3 branch ）

A. correct
B. error

43. stay SPSS in , Compared with numerical variables , Column chart is more suitable for ordered and typed variables .（2 branch ）

A. correct
B. error

44. In the cross contingency table test , When the variables are independent, the distribution of the corresponding test statistic is ：（2 branch ）

A. Square distribution
B.F Distribution
C.t Distribution
D.s Distribution

45. Which of the following is not a basic step in hypothesis testing ：（2 branch ）

A. Put forward the original hypothesis and alternative test
B. Draw a histogram of random samples
C. Select test statistics
D. Probability of calculating test statistics , And make a statistical decision with the significance level

46. According to the theory of analysis of variance , If the sum of the squares of the inter group deviations of the observed variables under different control levels of the control variables accounts for a small proportion of the sum of the squares of the total deviations of the observed variables , It can be considered that the control variable has no significant effect on the observed variable .

A. Yes
B. wrong

47. When defining gender variables , Assumed value 1 Male , Numerical value 2 For a woman , The tool you need to use is the variable name tag .

A. Yes
B. wrong

48. In hypothesis testing , When the value of the calculated test statistic is greater than the significance level , Accept the hypothesis .

A. Yes
B. wrong

49. 3-D scatter to （） The form shows the statistical relationship between the three pairs of variables .