alleryA single number describing the variability of data is a measure of:
ADispersion
BLocation
CCorrelation
DRegression
Answer & Solution
Correct answer: A. Dispersion
1. Just as one number can describe the centre, one can describe the spread.
2. That number summarises how scattered the data are.
3. It is a measure of dispersion.
_Source: syllabus Mathematics, Chapter 15, Statistics._
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