IBM
M2020-733 · Question #94
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?
The correct answer is C. Define -9999 as a user-missing value. See the full explanation below for the reasoning.
Question
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?
Options
- ADefine -9999 as a system-missing value.
- BRemove all cases with the value -9999 for the variable salary from the data file.
- CDefine -9999 as a user-missing value.
- DDefine -9999 as both a system- and user-missing value.
How the community answered
(46 responses)- A11% (5)
- B2% (1)
- C83% (38)
- D4% (2)
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