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homoscedastic

   Also found in: Medical, Financial, Encyclopedia, Wikipedia 0.01 sec.
homoscedastic [ˌhəʊməʊskɪˈdæstɪk]
adj Statistics
1. (Mathematics & Measurements / Statistics) (of several distributions) having equal variance
2. (Mathematics & Measurements / Statistics) (of a bivariate or multivariate distribution) having one variable whose variance is the same for all values of the other or others
3. (Mathematics & Measurements / Statistics) (of a random variable) having this property Compare heteroscedastic
[from homo- + scedastic, from Greek skedasis a scattering, dispersal]
homoscedasticity  [ˌhəʊməʊskɪdæsˈtɪsɪtɪ] n


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However, much of the data, both in the raw scale and the percent improvement are not homoscedastic, and follow very non-normal distributions.
6) As with many applications of the model in the literature, we assume that the error terms are homoscedastic and serially uncorrelated.
 
 
 
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