The point which partitions the acceptance region from the reject region. The function which yields the probability that a particular random variable takes on any one of its possible values. That which was produced by a cause. Also called residual error. The amount of variation which cannot be attributed to the variables included in the experiment.
Conclusions only apply to the factor levels considered in the analysis.
Inferences are restricted to the experimental levels. The pattern or shape formed by the group of measurements in a distribution. Provides support, reviews projects, and undertakes larger scale projects. The value of a parameter which has an upper bound or a lower bound, but not both. The vertical axis of a graph.