A Testing Service Has 1000 Raw Scores

Multiple Choice

A testing service has 1000 raw scores. It wants to transform the distribution so that the mean = 10 and the standard deviation = 1. To do so, _________.

A) do a z transformation for each raw score and add 10 to each z score.
B) do a z transformation for each raw score and multiply each by 10
C) divide the raw scores by 10
D) compute the deviation score for each raw score. Divide each deviation score by the standard deviation of the raw scores. Take this result for all scores and add 10 to each one.
E) a and d