AMS 5 Chapter Notes - Chapter 10-11: Percentile Rank, Scatter Plot

• School: UCSC
• Department: Applied Math and Statistics
• Course: AMS 5
• Professor: Yonatan Katznelson

Document Summary

Chapter 10, #1, 2, 3, 5, 7, 9. Shown below is a scatter diagram for math and verbal sat scores for graduating seniors at a certain high school. Match the area with the description. (one description will be left over. ) (i) Total score (math + verbal) is below 800 (ii) Total score (math + verbal) is around 800 (iii) math score is about equal to verbal score. (iv) math score is less than verbal score. In a study of the stability of iq scores, a large group of individuals is tested once at age. The following results are obtained. age 18: average score ~ 100, sd ~ 15 age 35: average score ~ 100, sd ~ 15, r ~ 0. 80 (a) Estimate the average score at age 35 for all the individuals who scored 115 at age 18. (b) Predict the score at age 35 for an individual who scored 115 at age 18.