Measures of spread
This page provides the definition for a mathematics term.
About this resource
A glossary of terms used in mathematics.
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Measures of spread
A number that conveys the degree to which values in a distribution of a numerical variable differ from each other. The measures of spread that are used most often are: interquartile range, range, standard deviation, variance.
Alternatives: measure of variability, measure of dispersion
Curriculum achievement objectives references
Statistical investigation: Levels 5, 6, 7, 8
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