Consider the data file below and answer the following: The calculation of the mean of the variables X, Y, Z is contained in the variable Av_XYZ. What method was used to calculate the mean?
A. The Compute Variable dialog and the expression MEAN.2(X, Y, Z)
B. The Compute Variable dialog and the expression X+Y+Z/3
C. The Compute Variable dialog and the expression MEAN(X, Y, Z)
D. The Compute Variable dialog and the expression (X+Y+Z) 13
正解:A
質問 2:
The IBM SPSS Statistics Select Cases provides various ways to select cases included in further analysis. If you needed to conduct analysis on those respondents whose age is more than 30 years, earning in excess of $40000, which option in this dialog would you choose to specify these criteria?
A. If condition is satisfied
B. Random sample of cases
C. Use filter variable
D. Based on time or case range
正解:A
質問 3:
Which chart type is appropriate for viewing the association between two scale variables?
A. Bar chart
B. Area chart
C. Scatter plot
D. Pie chart
正解:C
質問 4:
The Merge Files facility is located under which menu?
A. View
B. Transform
C. Data
D. Analyze
正解:C
質問 5:
Using the Compute Variable dialog below, the target variable HighSchool will have the following values. (Choose two.)
A. Value 0 if EDUC is greater than 12
B. System-missing value if EDUC is greater than 12
C. Value 1 if EDUC is less than or equal to 12
D. The same value as EDUC if EDUC is less than or equal to 12
正解:B,C
質問 6:
For a variable salary we have the statistics as shown in the figure below.
The reported Mean is incorrect because a value, -9999, is included in its calculation. How can this situation be fixed?
A. Remove all cases with the value -9999 for the variable salary from the data file.
B. Define -9999 as both a system- and user-missing value.
C. Define -9999 as a user-missing value.
D. Define -9999 as a system-missing value.
正解:C