Chapter 13 Review

1. Chapter 13 Review Probability and Data Analysis

2. 0 1 4 6 6 9 9 1 0 1 2 3 3 5 6 8 2 1 2 8 3 0 7 Key: 1 | 0 = 10 years • Make a box-and-whisker plot of the data. • Dennis Quaid has been acting for 37 years. Can the number of years he has spent acting be considered an outlier? Explain your reasoning. The stem-and-leaf plot shows the number of years spent acting by the cast of an upcoming movie.

3. Independent Practice CheckTextbook p. 883-885

4. Independent Practice CheckTextbook p. 889-892

5. Benchmark Skills: • Identifying Sampling Methods • Finding the Mean Absolute Deviation of a Data Set • Creating Histograms • Creating Stem-and-Leaf Plots • Creating Box-and-Whisker Plots Quiz – Lessons 13.5 to 13.8

6. Independent Practice Textbook p. 896-900

7. During last season, what was the probability that the star player would make an attempted 3-point shot, regardless of point difference? Use a fraction. • Find the probabilities that the star player made an attempted 3-point shot for each of the groupings for the point difference at the end of the games. Use fractions. • During what kind of games is the star player most likely to make attempted 3-point shots? The table shows last season’s 3-point shot statistics for a high school’s star basketball player.

8. Independent Practice CheckTextbook p. 896-900

9. Benchmark Skills: • Identifying Sampling Methods • Finding the Mean Absolute Deviation of a Data Set • Creating Histograms • Creating Stem-and-Leaf Plots • Creating Box-and-Whisker Plots Quiz Retake – Lessons 13.5 to 13.8

10. Independent Practice Textbook p. 901

11. 1. 1/6 1:5 2. 1/2 1:1 3. 2/3 2:1 4. 1/3 1:2 5. 42 6. 336 7. 20 8. 792 9. permutation 10. combination 11. 5/6 12. 3/8 13. Yes. “Are you for or against a tax increase to build a new library to replace the old one?” 14. Girls: mean = 67.92 median = 67 mode = 66, 67, 71 range = 10 MAD = 2.84 Boys: mean = 73.2 median = 74 mode = 69, 70, 77 range = 9 MAD = 3.12 Independent Practice CheckTextbook p. 901

12. Independent Practice Textbook p. 906

13. 1. 44 2. 91 3. -45, 45 4. -3 5. 2 6. -2.5 10. y = ½x – 7 11. y = -8x + 3 12. x ≥ -1 13. 4 ≤ x ≤ 24 14. all real numbers 15. (4, ¼) 16. (-5, -5) 17. no solutions 18. 16x21 19. -81x12 4 20. y4 27x5 21. (a – 18)(a +3) 22. -(3b + 1)(b + 7) 23. (2f + g)2 24. (p – 5)(p – 3)(p + 3) 25. {-7, 3} 26. {1/9, 3} 27. {½, 4} 28. no solutions 29. 2√37 30. √205 31. 15 32. x – 2 x – 8 33. x + 4 x + 3 34. 28 x2 35. -3 36. 4x + 1 x + 6 37. 9 – 3x x2 – 3x 38. 6 39. 336 40. 35 41. 210 42. 1/6 43. ½ 44. 2/5 45. 3/20 46. 1/25 47. 120 mi. 48. 12 ft 49. 42.4 ft 50. 24 min 51. a. $45 d. 176 and 221 are outliers Independent Practice CheckTextbook p. 906