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IBM SPSS Statistics Level 1 v2 考生最常問的問題

最新的 IBM Certified Specialist C2090-011 免費考試真題：

問題 #1

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. False negative
B. False positive
C. Typeierror
D. Typeiierror

問題 #2

Which operations are available from the File menu? (Choose three.)

A. Exit IBM SPSS Statistics
B. Print the contents of the active IBM SPSS Statistics window
C. Open and Save data files
D. Run the FREQUENCIES procedure

問題 #3

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 user-missing value.
B. Define -9999 as both a system- and user-missing value.
C. Remove all cases with the value -9999 for the variable salary from the data file.
D. Define -9999 as a system-missing value.

問題 #4

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

A. Construct a date/time variable by merging variables containing different parts of the date or time.
B. Add or subtract values from date/time variables, including add or subtracting two date/time variables.
C. Extract a part of a date or time variable.
D. Create a date/time variable from a string variable containing a date and time.

問題 #5

Consider the variable AGE in the data file below. You have been asked to use this in a cross-tabulation with GENDER. How would you proceed? (Choose two.)

A. Go to Analyze ...Descriptive Statistics ... Crosstabs ....specify the variables and click OK
B. Use Recode into Different Variables ...to create a categorical equivalent for AGE and proceed as per Option A above.
C. Use Visual Binning to create a categorical equivalent for AGE and run a Frequencies
D. Use Visual Binning to create a categorical equivalent for AGE and proceed as per Option A above.

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