IBM IBM Certifications C2090-011 Questions & Answers

• Question 51:

  If you use the IBM SPSS Statistics Select Cases dialog to conduct analysis on a subset of cases and you want to keep all cases in the same dataset, which option is appropriate?

  A. Copy unselected cases to a new dataset

  B. Copy selected cases to a new dataset

  C. Delete unselected cases

  D. Filter out unselected cases

  Correct Answer: D

• Question 52:

  What does the Paste button in this dialog box do?

  

  A. Runs a MEANS table.

  B. Pastes the MEANS command into a Syntax Editor window.

  C. Pastes the MEANS command intothe Viewer window.

  D. Runs a MEANS table, opens a new Syntax Editor window, and pastes the MEANS command

  Correct Answer: B

• Question 53:

  If you request an aggregated dataset or data file in the Aggregate procedure, the number of cases in the new aggregated file is equal to what?

  A. Number of cases in the original data file

  B. Number of aggregated summary variables

  C. Number of categories of the variables specified in the Break Variables list

  D. Numberof cases that you specified in the Aggregate Data dialog box

  Correct Answer: C

• Question 54:

  Consider the data filebelow 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 (X+Y+Z) 13

  B. The Compute Variabledialog 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 MEAN.2(X, Y, Z)

  Correct Answer: D

• Question 55:

  Which statement is the correct interpretation of this crosstab table?

  

  A. 56.5% of females believe in life after death.

  B. 86.0% of females believe in life after death.

  C. 27.5% of females believe in life after death.

  D. 53.7% of females believe in life after death.

  Correct Answer: B

• Question 56:

  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.

  Correct Answer: D

• Question 57:

  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.

  Correct Answer: C

• Question 58:

  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

  Correct Answer: A

• Question 59:

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

  

  A. True

  B. False

  Correct Answer: B

• Question 60:

  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

  Correct Answer: D