The Problem with Measuring Dispersion by Merely Averaging All the Deviations

question 8

Multiple Choice

The problem with measuring dispersion by merely averaging all the deviations between each score and the overall mean is that

• A) positive and negative deviations will balance out.
• B) squared values make intuitive interpretation difficult.
• C) dividing by (N-1) gives a biased statistic.
• D) There are no problems with measuring dispersion this way.