alleryStart learning →Alongside range and standard deviation, the third standard measure of spread is:
AThe variance
BThe median
CThe mode
DA percentile
Answer & Solution
Correct answer: A. The variance
1. Spread and centre are described by different families of statistic.
2. The measures of the spread of data are recognised, described and calculated as a set.
3. Those measures are variance, standard deviation, and range.
4. The median and mode are centres, and percentiles are measures of location.
5. Variance is the squared quantity from which standard deviation is derived.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 2 'Descriptive Statistics', sections 2.1-2.7_
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