variability
//ˌveəriəˈbɪləti//
Noun
variabilitySingular
variabilitiesPlural
1
The quality or state of being variable; the tendency to change or fluctuate.
The variability of weather patterns makes it difficult to predict storms.
2
The degree to which something differs from a standard or from other instances.
The variability in test scores among students was higher than expected.
3
In statistics, a measure of the dispersion or spread of data points in a dataset.
The variability in the test scores was measured using standard deviation.