Activity 3. Decides in Grouped Data Compute for D, and De of the data below. Scores Frequency (f ) Cumulative Frequency (F ) 5 - 9 10- 14 17 23 15- 19 21 44 20 - 24 51 25-29 46 30 - 34 22 88 35 - 39 97Activity 2. 1. Complete the distribution and find the first, second and third quartiles. Interpret the results. Class Interval Frequency Class Cumulative (f ) Boundary (C ) Frequency ( F ) 1- 10 11 - 20 LO 21 - 30 31 - 40 41- 50 20 51 -60 61 - 70 71 - 80 2. Fill in the table below. Class Interval Frequency Class Cumulative ( f ) Boundary (C ) Frequency ( F ) 60- 64 65- 69 6 70 - 74 75- 79 80-84 85 - 89 LO 90 - 94 10 95-99 19 100- 104Exercices A. Given the data, find the Q3 quartile. 1) 3, 5, 9, 1, 8, 6, 7 2) 5, 20, 10, 25, 40, 35, 1, 46 3) 3, 9, 4, 15, 19, 21 B. Give the 6" deciles of the given data. 1. 10, 90, 80, 60, 30, 20 2. 2, 9, 5, 6, 11, 17, 21, 18, 1, 3, 30, 19 3. 26, 13, 10, 9, 1, 5, 8, 15, 11, 25 C. Find the 50" percentile of the given ungrouped data. 1. 8, 10, 12, 44, 45, 47, 24, 30, 18, 16, 32, 33, 40, 20 2. 25, 30, 10, 15, 100, 65, 75, 80, 35, 40 3. 16, 32, 96, 49, 64, 76, 15, 20 Reinforcement Answer the following questions. 1. What are the quartiles of each set of values? (8, 12, 19, 2, 3, 9, 7, 15, 21, 35} Q1 = Q2 = Q3 = 2. What are the 2" and 8" deciles of the following ordered data? 13, 13, 13, 20, 20, 26, 27, 28, 28, 31, 32, 32, 33, 34, 34, 35, 35, 35, 36, 38, 40, 45, 46, 48, 50, 51, 56