Suppose your statistics professor reports test grades as z-scores, and you got a score of 2.20 on an exam. Write a sentence explaining what that means. Select the correct choice below. A. The score was 2.20 standard deviations higher than the mean score in the class. O B. The score was 2.20 points higher than the mean score in the class. O C. The score was 2.20 standard deviations lower than the mean score in the class. O D. The score was 2.20 points lower than the mean score in the class. 0000