The answers people wrote for the 'trip' question were so long, complex, and highly varied that it was impossible to grade them! Therefore, everyone got full credit for that question. My answer to this question is posted on the web as shown above.
Solutions to the exam have been added to the Study Guide Answers for Final Exam.
High Grades: (99 98 98 97 97 96 95 95 95 95 95 95)
Mean:65.28         Std. deviation: 26.41
Mean:77.56         Std. deviation: 16.33
High Grades: Four students made 97, two made 96, one made 95.