There are two major tests of readiness for college: the ACT and the SAT. ACT scores are reported on a scale from 1 to 36. The distribution of ACT scores in recent years has been roughly Normal with meanμ= 20.9 and standard deviationσ= 4.8. SAT scores are reported on a scale from 400 to 1600. SAT scores have been roughly Normal with meanμ= 1026 and standard deviationσ= 209.
The SAT scores that make up the top 17% of all scores range from to 1600.