A data set contains a single very large outlier

MATHEMATICS · Single correct · A Level · Mathematics · Data presentation and interpretation · Data presentation and interpretation

Problem

A data set contains a single very large outlier. Which measure of spread is likely to be MOST affected by this outlier? (a) Variance (b) Standard deviation (c) Range (d) Interquartile range

Related theory

Measures of Dispersion
Measures of Spread
Variance and standard deviation
Statistics
Range
Summary Statistics

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