PART III. Assessment 1. Multiple Choice. Choose the letter of the correct answer and write your answers on a separate answer sheet. Refer to the following data for numbers 1 - 4. In a math quiz, the following students got the following scores: A =6 B = 1 C = 3 D = 5 E = 2 F = 4 G =5 1. What is the second quartile? a. 1 b. 2 C. 3 d. 4 2. What is the 75" percentile? a. 2 b. 3 C. 4 d. 5 3. Who got the score that corresponds to the 25 percentile rank? a. B b. C C. E d. F 4. If an 8th student, H, got 8 what would be the 75th percentile in the new set of scores? a. 5 b. 5.5 C. 6 8 P Refer to the data below in answering numbers 5 to 8. In a survey in which 60 students were asked how many hours per week they answered their modules, the result is given below. Number of hours frequency Cumulative frequency 61 - 53 60 48 - 50 3 59 45 - 47 56 42 - 44 8 52 39 - 41 44 36 - 38 12 35 33 - 35 7 23 30 - 32 27 - 29 24 - 26 3 21 - 23 18 - 20 5. What is the 75th percentile? a. 36 b. 39 c. 42 d. 45 6. The answer in number 5 means that a. 75% of the students answered their modules in less than or equal to 42 hours per week. b. 75% of the students answered their modules greater than 42 hours per week. c. 25% of the students answered their modules in less than or equal to 42 hours per week. d. 25% of the students answered their modules equal to 42 hours per week. 7. What is D2.5? a. 29 b. 32 C. 35 d. 38 Il. Answer the problems below ( 4 points each). The table below represents the lives of 40 similar car batteries recorded to the nearest tenth of a year. The batteries were guaranteed to last for 3 years. (use the ungrouped data) 1.6 2.6 3.1 3.2 3.4 3.7 3.9 4.3 1.9 2.9 3.1 3.3 3.4 3.7 3.9 4.4 2.2 3.0 3.1 3.3 3.5 3.7 4.1 4.5 2.5 3.0 3.2 3.3 3.5 3.8 4.1 4.7 2.6 3.1 3.2 3.4 3.6 3.8 4.2 4.7 A. a. Find P48. b. Interpret the result: B. a. Find D7. b. Interpret the result: