DA0-002 Data Analysis Practice Question
A data analyst is analyzing customer purchase amounts. The dataset contains several extreme high values due to luxury purchases. Which measure of central tendency is most robust to these 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, making it robust to outliers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Range
Why it's wrong here
Range is a measure of dispersion, not central tendency.
- ✗
Mean
Why it's wrong here
The mean is sensitive to outliers.
- ✗
Mode
Why it's wrong here
The mode may not represent central tendency well in continuous data.
- ✓
Median
Why this is correct
The median is robust to outliers.
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