When the mean is used to predict scores, a deviation $(X-\bar{X})$ indicates
A)the sample is representative of the population.
B)the difference between the $\bar{X}$ we predict and the score an individual actually gets.
C)the sum of all the deviations.
D)the individual's observed score.

Question

Quizplus · Accepted Answer

The deviation $(X-\bar{X})$ represents the difference between the individual score $X$ and the mean score $\bar{X}$, indicating how far an individual score is from the mean.

When the Mean Is Used to Predict Scores, a Deviation (X−Xˉ)(X-\bar{X})(X−Xˉ)

When the Mean Is Used to Predict Scores, a Deviation $(X-\bar{X})$