Exercises 833.24 The data file named sat.dat on the Web site contains data on SAT scores for all 50 states as
well as the amount of money spent on education, and the percentage of students taking the
SAT in that state. (The data are described in Appendix Data set.) Draw a histogram of the
Combined SAT scores. Is this distribution normal? The variable adjcomb is the combined
score adjusted for the percentage of students in that state who took the exam. What can you
tell about this variable? How does its distribution differ from that for the unadjusted scores?