DA0-001 · Question #555
DA0-001 Question #555: Real Exam Question with Answer & Explanation
The correct answer is A: Replace the missing value with the average of the rest of the unemployed citizens.. Since the missing value belongs to an unemployed citizen, imputing it with the average income of other unemployed citizens ensures the replacement is contextually accurate and avoids biasing the overall average income calculation.
Question
A data analyst who works for a government agency is required to obtain the average income of citizens. The list of citizens is given in the following table: A value for one citizen's income is missing. Which of the following approaches should the data analyst take to solve this issue?
Options
- AReplace the missing value with the average of the rest of the unemployed citizens.
- BInsert the value 0 into the field with the missing value
- CImpute the mean of the other citizens incomes into the field with the missing value.
- DExclude employed citizens from the analysis.
Explanation
Since the missing value belongs to an unemployed citizen, imputing it with the average income of other unemployed citizens ensures the replacement is contextually accurate and avoids biasing the overall average income calculation.
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