homoscedastic

[ hoh-muh-si-das-tik, hom-uh- ]

adjective

, Statistics.

1. having the same variance.

homoscedastic

/ ˌhəʊməʊskɪˈdæstɪk; ˌhəʊməʊskɪdæsˈtɪsɪtɪ /

adjective

1. (of several distributions) having equal variance
2. (of a bivariate or multivariate distribution) having one variable whose variance is the same for all values of the other or others
3. (of a random variable) having this property

Derived Forms

• homoscedasticity, noun

Word History and Origins

Origin of homoscedastic¹

1900–05; homo- + Greek skedastikós able to disperse, equivalent to skedast ( ós ) dispersable (verbid of skedannýnai to scatter, disperse) + -ikos -ic

Word History and Origins

Origin of homoscedastic¹

C20: from homo- + scedastic, from Greek skedasis a scattering, dispersal

Example Sentences

Student’s t-test was performed on homoscedastic populations and Student’s -test with Welch correction was applied on samples with different variances.

From Nature