IBM C2020-011 - IBM SPSS Statistics Level 1 v2 Exam
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Total 55 questions
Question #1 (Topic: )
What statistical test should be used to assess whether the percentage differences
observed in a crosstabs tablecould have occurred by chance?
observed in a crosstabs tablecould have occurred by chance?
A. Correlation
B. Linear Regression
C. T-Test
D. Chi-square test of independence
Answer: D
Question #2 (Topic: )
The text file shown in the figure below is an example of a fixed format text file.
A. True
B. False
Answer: B
Question #3 (Topic: )
In the Variable View, if you have a series of variables that share the same category coding
scheme, you can enter value labels for one variable, then copy these labels to the other
variables.
scheme, you can enter value labels for one variable, then copy these labels to the other
variables.
A. True
B. False
Answer: A
Question #4 (Topic: )
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?
The reported Mean is incorrect because a value, -9999, is included in its calculation. How
can this situation be fixed?
A. Define -9999 as a system-missing value.
B. Remove allcases with the value -9999 for the variable salary from the data file.
C. Define -9999 as a user-missing value.
D. Define -9999 as both a system- and user-missing value.
Answer: C
Question #5 (Topic: )
Which statement is true about this box plot?
A. Themean is 14.
B. The standard deviation is 14 (20 minus 6).
C. The standard deviation is4 (16 minus 12).
D. of the outliers are on the lower end of the distribution.
Answer: D
