= 500 and standard deviation = 100. Your friend took the comparable ACT in 2001, scoring 30. That year, the ACT had = 21.0 and = 4.7. How can we tell...

= 500 and standard deviation = 100. Your friend took the comparable ACT in 2001, scoring 30. That year, the ACT had = 21.0 and = 4.7. How can we tell who did better? What is the z-score for your SAT score of 650? For the SAT scores: What percentage of students scored higher than you? What is the z-score for your friends ACT score of 30? The ACT scores had a mean of 21 and a standard deviation of 4.7. What percentage of students scored higher than your friend?