Homoscedasticity: Statistics, Sequence, Random variable, Variance, Heteroscedasticity, Gauss Markov theorem, Pattern recognition, Linear discriminant analysis

Gauss Markov Theorem: Statistics, Carl Friedrich Gauss, Andrey Markov, Linear regression model,...

Kurtosis (kyrtos or kurtos): Probability Theory, Statistics, Variance, Distribution, Real Number, Random Variable.

Mixed model: Fixed effect, Linear regression, effects estimation, Random model, Multilevel design...

Generalizability Theory: Observation, Reliability (statistics), Analysis of variance