Chapter 6 Case Study: SAT Scores and AP Exam Scores.
The College Board reported in 2013 that females taking the Writing SAT had a mean score of with a standard deviation of , whereas males had a mean score of with a standard deviation of . Assume both sets of scores follow a normal distribution. Use this information for Exercises 44–48.
Question 6.392
47. Compute the two symmetric male Writing SAT scores and that contain the central 95% of -values between them.
6.5.47
256.6 and 707.4