Answers to the Review questions from Homework 2
Review Exercise Answers (Chapter 5)
3 (a)In 1967 a score of 600 is a Z=1.22 the percentage scoring over that was about 11% (11.12 exactly)(b)In 1994 a score of 600 is a Z=1.61 the percentage scoring over that was about 5.5% (if you want to be exact, about 5.37%)
6. The answer is no. The distribution of LSATs is not normal. We know from the characteristics of the normal curve that about 16% of the observations should be above one standard deviation. In this example, no observations are higher than one standard deviation.