What does "heteroscedasticity" mean?

The property of a series of random variables in having differing variances of residuals, instead of a uniform variance.

How do you pronounce "heteroscedasticity"?

Pronounced //hɛtəɹoʊˌskɪdæsˈtɪsɪti//.

/hɛtəɹoʊˌskɪdæsˈtɪsɪti/ noun

noun ·Rare ·Advanced level

Noun

1
The property of a series of random variables in having differing variances of residuals, instead of a uniform variance. countable, uncountable

From hetero- + scedasticity.