IBM C2020-011 - IBM SPSS Statistics Level 1 v2 Exam

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Total 55 questions

What statistical test should be used to assess whether the percentage differences 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

The text file shown in the figure below is an example of a fixed format text file.

  • A. True
  • B. False


Answer : B

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.

  • A. True
  • B. False


Answer : A

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. 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

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

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Total 55 questions