How does an extreme high outlier affect the mean and median?

Type: MCQ • Marks: 1

A. Has no effect on either mean or median.

B. Decreases both mean and median equally.

C. Increases median significantly; mean stays unchanged.

D. Increases mean significantly; median changes little or none.

Explanation

The mean is sensitive to extreme values (outliers), whereas the median is robust.

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Class 7th Ganita Prakash 2

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