_____ variance is the deviation of the group means from the grand mean.

A) Error
B) Systematic
C) Alpha
D) Inferential

Systematic Variance

The portion of total variance in a set of data that is attributable to identifiable factors or variables, as opposed to random variance.

Group Means

The average values obtained from different samples or sets of data, representing the central tendency of each group.

Grand Mean

The mean of means, calculated by taking the average of several group means, used in statistical analysis to summarize overall data.