DA0-002 Data Analysis Practice Question
A data analyst is summarizing the central tendency of a dataset with extreme outliers. Which measure is most robust to outliers?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Median
The median is not affected by extreme values, unlike the mean.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Standard deviation
Why it's wrong here
Standard deviation is affected by outliers.
- ✓
Median
Why this is correct
Median is robust to outliers.
- ✗
Mean
Why it's wrong here
Mean is sensitive to outliers.
- ✗
Range
Why it's wrong here
Range is highly sensitive to outliers.
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