Question: 1. The average score on the Stats midterm was 75 points with a standard deviation of 5 points, and Gregor's z-score was How many points did he score?
2. Mensa. People with z-scores greater than 2.5 on an IQ test are sometimes classified as geniuses. If IQ test scores have a mean of 100 and a standard deviation of 16 points, what IQ score do you need to be considered a genius?