Question

Which one of these statistics is unaffected by outliers?Mean Interquartile range Standard deviation Range

Answer 1

Since Interquartile Range consider the middle values in the data set, i.e. 50%, it is not affected by outliers or extreme values. While other statistics mean, standard deviation and range are all affected by outliers or extreme values.

Explanation:

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Answer 2

The answer is Interquartile Range. I know this is the right answer is because I got it right on a quiz.