Examlex
A _____ answers questions,troubleshoots problems,and serves as a clearinghouse for user problems and solutions.
Pooled Variance Estimator
An estimate of variance that combines the variances from two or more samples, assuming that they come from populations with the same variance.
MSE from ANOVA
Mean Square Error derived from Analysis of Variance, indicating the average of the squares of the deviations of observations from their group means.
Equal Variances T-Test
A statistical test used to determine if two populations have equal variances, assuming that the populations are normally distributed and independent.
Completely Randomized Design
A research design in which subjects are randomly assigned to experimental groups in an entirely unsystematic way, ensuring each subject has an equal chance of being assigned to any group.
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