The General Concept of Dispersion or Variation Is Represented Best

Multiple Choice

The general concept of dispersion or variation is represented best by which item below?

A) the degree of movement in a data distribution away from the extremes
B) any measure of difference between one set of scores and another
C) the amount of spread in a data distribution
D) an estimation of the degree of error in using any one score as the homogeneous center of a distribution