IBM IBM Certifications C2090-011 Questions & Answers

• Question 11:

  The IBM SPSS Statistics Select Cases provides various ways to select cases included in further analysis. If you needed toconduct 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. Random sample of cases

  B. Based on time or case range

  C. Use filter variable

  D. If condition is satisfied

  Correct Answer: D

• Question 12:

  In the Aggregate data procedure1 if you specify more than one Break Variable, ________ in the Break Variables list will determine case order.

  A. Variable size

  B. Variable label

  C. Variable name

  D. Variable order

  Correct Answer: D

• Question 13:

  There are two major types of errors one can make when attempting to draw conclusions about the larger population based on the information collected in the sample. For example, when performing an Independent Samples T-Test, one type of error that can occur is when there are significant differences between the groups based on a scale level dependent variable, but the test fails to detect them. Which of the following choices describe this sort of error? (Choose two.)

  A. Type i error

  B. Type ii error

  C. False negative

  D. False positive

  Correct Answer: BC

• Question 14:

  With IBM SPSS Statistics you can assign one of three levels of measurement to a variable. Which is the correct list of all three levels?

  A. Nominal - Ordinal - Interval

  B. Categorical - Interval - Ratio

  C. Nominal - Ordinal - Scale

  D. Nominal - Interval ?Scale

  Correct Answer: C

• Question 15:

  After studying the figure below1 select the correct statement.

  

  A. Gss93.sav is the dataset name.

  B. DataSet2 is the dataset name.

  C. DataSet2 is the file name.

  D. DataSet2 is both the file and dataset name.

  Correct Answer: B

• Question 16:

  Which interpretation is correct for the Correlations table'?

  

  A. All of these correlations are statistically significant and the strongest correlation is between the Van and Var4.

  B. All of these correlations are statistically significant and the strongest correlation is between the Van2 and Var3.

  C. None of these correlations are statistically significant but the strongest correlation is between the Van and Var4.

  D. None of these correlations are statistically significant but the strongest correlation is between the Var2 and Var3.

  Correct Answer: B

• Question 17:

  What type of graph would you use to see the distribution of a scale variable?

  A. Barchart

  B. Pie chart

  C. Histogram

  D. Scatter plot

  Correct Answer: C

• Question 18:

  In the output of the CROSSTABS procedure, large residuals indicate agreement between the data and the null hypothesis of independence.

  A. True

  B. False

  Correct Answer: B

• Question 19:

  What is the main advantage of using syntax?

  A. It can be run using the menus.

  B. It is the most popular way of running IBMSPSS Statistics.

  C. It can be saved and retrieved for subsequent analyses.

  D. It is the same format as syntax in other statistical software.

  Correct Answer: C

• Question 20:

  When you read data stored in an Excel file via File ... Open ... Data, you may need to specify which options? (Choose three.)

  A. Read variable names from the first row of data

  B. Read aRange of cells

  C. Specify the Worksheet to read/import

  D. Number of Worksheets to read/import

  Correct Answer: ABC