A test of spatial skill has a mean of 200 and a standard deviation of 10. A newer, different test of spatial skills has a mean of 50 and a standard deviation of 15. A score of 100 would be more common in the new test than in the older test.

Question

Quizplus · Accepted Answer

A score of 100 is 1 standard deviation below the mean for the older test and 3.33 standard deviations above the mean for the newer test. Therefore, a score of 100 would be more common in the newer test than in the older test.

A Test of Spatial Skill Has a Mean of 200