File Info
| Exam | IBM SPSS Statistics Level 1 v2 |
| Number | C2090-011 |
| File Name | IBM.C2090-011.Lead2Pass.2019-02-25.54q.vcex |
| Size | 4 MB |
| Posted | Feb 25, 2019 |
| Download | IBM.C2090-011.Lead2Pass.2019-02-25.54q.vcex |
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Demo Questions
Question 1
Which interpretation is correct for the Independent Samples T-Test table shown below?
- We did not meet the assumption of homogeneity of variance; however, our two groups differed on the number of WWW HOURS PER WEEK.
- We did meet the assumption of homogeneity of variance and our two groups differed on the number of WWW HOURS PER WEEK.
- We did not meet the assumption of homogeneity of variance and our two groups did not differ on the number of WWW HOURS PER WEEK.
- We did meet the assumption of homogeneity of variance; however, our two groups did not differ on the number of WWW HOURS PER WEEK.
Correct answer: A
Question 2
Suppose you want to copy and paste variable definitions from 481 variables in one data file to 481 corresponding variables in a second data file.
True or false: 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.
- True
- False
Correct answer: B
Question 3
Which statement is true about this boxplot?
- The mean is 14
- The standard deviation is 14 (20 minus 6)
- The standard deviation is 4 (16 minus 12)
- All of the outliers are on the lower end of the distribution
Correct answer: D
Question 4
True or false: 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.
- True
- False
Correct answer: A
Question 5
Consider the table below. Which IBM SPSS Statistics dialog was used to generate it?
- The Crosstabs… dialog
- The Means… dialog
- The Case Summaries… dialog
- The Select Cases… dialog
Correct answer: B
Question 6
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 this sort of error? (Choose two.)
- Type/error
- Type//error
- False negative
- False positive
Correct answer: BC
Question 7
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?
- Define -9999 as a system-missing value
- Remove all cases with the value -9999 for the variable salary from the data file
- Define -9999 as a user-missing value
- Define -9999 as a both a system- and user-missing value
Correct answer: C
Question 8
You have been asked to create a categorical variable from a scale variable, income, illustrated in the histogram below. The resulting categorical variable must have 5 categories with an approximately equal number of cases in each category. Which way would you accomplish this using the IBM SPSS Statistics Visual Binning dialog?
- Use the automatic option Equal Width Intervals
- Use the automatic option Equal Percentiles Based on Scanned Cases
- Use the automatic option Cutpoints at Mean and Selected Standard Deviations Based on Scanned Cases
- Specify Cutpoints manually at 10000, 20000, 30000, 40000 & 50000
Correct answer: B
Question 9
If you build an expression manually, as opposed to using a function (e.g., specify (V1+V2)/2 instead of MEAN(V1,V2)), which statement is true?
- If any of the variables used in the expression has a missing value, it will be ignored and the expression will proceed to evaluate with variables that have valid values.
- It will always return a valid value for each case, regardless of whether one or more of the source variable values are missing.
- If any of the variables used in the expression has a missing value, the result for that case is a system-missing value.
- If any of the variables used in the expression has a missing value, you will get a notification pointing this out before you proceed.
Correct answer: C
Question 10
In the Aggregate data procedure, if you specify more than one Break Variable, ________________ in the Break Variables list will determine case order.
- Variable size
- Variable label
- Variable name
- Variable order
Correct answer: D
