Which measure is not a suitable choice when outliers are present?
AThe mode
BThe mid
CThe max
DThe mean
Answer & Solution
Correct answer: D. The mean
1. An extreme value shifts a total, and so shifts an average.
2. One measure is computed from the total.
3. Mean is not a suitable choice if there are outliers in the data.
4. So the answer is the mean.
_Source: syllabus Computer Science, Ch 7 'Understanding Data'_
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