Question: 1. Suppose your Statistics professor reports test grades as z-scores, and you got a score of 2.20 on the midterm exam. Write a sentence explaining what that means.
2. Checkup. One of the authors has an adopted grandson whose birth family members are very short. After examining him at his 2-year checkup, the boy's pediatrician said that the z-score for his height relative to American 2-year-olds was Write a sentence explaining what that means.