CompTIA
DA0-001 · Question #555
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
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Data Analysis
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?
Exhibit
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.
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Topics
#Missing data#Imputation#Data cleaning#Data preprocessing