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

Other Word 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.

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