IBM IBM Certifications C2090-011 Questions & Answers

• Question 21:

  Using the Compute Variabledialog below, the target variable HighSchool will have the following values. (Choose two.)

  

  A. Value 1 if EDUC is less than or equal to 12

  B. System-missing value if EDUC is greater than 12

  C. The same value as EDUC if EDUC is less than or equal to 12

  D. Value 0 if EDUC is greater than 12

  Correct Answer: AB

• Question 22:

  In order to import data from databasesources such as Access and Oracle into IBM SPSS Statistics, you must first export the data from the database to a tad file and then import this tad file into IBM SPSS Statistics?

  A. True

  B. False

  Correct Answer: B

• Question 23:

  An Independent Samples T-Test can be used to test whether there is a significant difference between the incomes of males and females.

  A. True

  B. False

  Correct Answer: A

• Question 24:

  Suppose you want to copy and paste variable definitionsfrom 481 variables in one data file to 481 corresponding variables in a second data file. The only way to do this is to select and copy each variable's definitions in the first file and paste to the corresponding variable in the second file.

  A. True

  B. False

  Correct Answer: B

• Question 25:

  Which interpretation is correct for this Regression output?

  

  A. We have a non-statisticallysignificant model that accounts for 70% of the variation in the dependent variable.

  B. We have a statistically significant model that accounts for 70% of the variation in the dependent variable.

  C. We have a non-statistically significant model thataccounts for 49% of the variation in the dependent variable.

  D. We have a statistically significant model that accounts for 49% of the variation in the dependent variable.

  Correct Answer: D

• Question 26:

  The Date and Time Wizard can be used to do which operation? (Choose all that apply.)

  A. Create a date/time variable from a string variable containing a date and time.

  B. Construct a date/time variable by merging variables containing different parts of the date or time.

  C. Add or subtract values from date/time variables, including add or subtracting two date/time variables.

  D. Extract a part of a date or time variable.

  Correct Answer: ABCD

• Question 27:

  Which statement is true about IOR (inter quartile range)? (Choose two.)

  A. It is used to measure the spread ofthe data.

  B. It is equal to the mode.

  C. It is the range between the values at the 25111 and 75111 percentile.

  D. It indicates whether the variable is normally distributed or not.

  Correct Answer: AC

• Question 28:

  IBM SPSS Statistics system variables can be:

  A. Used in data transformations.

  B. Specified in analysis procedures.

  C. Modified using Compute Variable.

  D. Viewed in the Data Editor.

  Correct Answer: A

• Question 29:

  Consider the table below. Which IBM SPSS Statistics dialog was used to generate it?

  

  A. The Crosstabs... dialog

  B. The Means... dialog

  C. The Case Summaries.., dialog

  D. The Select Cases... dialog

  Correct Answer: B

• Question 30:

  Which options are available to edit bar charts? (Choose three.)

  A. Changing patterns displayed in bars

  B. Changing the major increment on the Y axis scale

  C. Displaying data value labels

  D. Changing the variable displayed on the X axis

  Correct Answer: ABC