HW3-100321.docx - HW #3- The Normal Distribution and Z...

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HW #3- The Normal Distribution and Z scoresDue Sunday (10/3) at 11:59pm CSTPlease study CH05to finish this homework assignment, and you can practice theChapterExercise on Page 174-177. You can find out useful tips from this practice and weekly materialson Blackboard. Also, you have to familiar with thestandard normal table(Table 5.2 on page156 & APPENDIX B on page 463-7). These tables are very important to understandtransformations between raw scores and standard (Z) scores. Also, you can see the advice forHW3 in “HW3 Questions” Virtual office in “Week 7 (9/27-10/3)” folder under “Class Materials”tab on Blackboard.Problem set 1: Use the following information to answer questions 1-5 (20 points):A criminologist developed a test to measure recidivism, where low scores indicated a lowerprobability of repeating the undesirable behavior. The test is normed so that it hasa mean of 125anda standard deviation of 351.What is the percentile rank of a score of 180 (4 pts)?2.What is the Z score for a test score of 55 (4 pts)?3.What percentage of scores falls between 90 and 177.5 (4 pts)?4.Whatproportionof respondents should score above 185 (4 pts)?5.Suppose an individual is in the 75.8th percentile in this test, what is his or hercorresponding recidivism score (4 pts)?.1
HW #3- The Normal Distribution and Z scoresDue Sunday (10/3) at 11:59pm CSTProblem set 2: Use the following information to answer questions 6-14 (40 points):

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