1) The ages of 9 people in a room are 18, 19, 21, 21, 18, 20, 17, 22, and 23. Find D2. a) 15 b) 16 c) 17 d) 18 e) 19 f) 20 2) The ages of 9 people in a room are 18, 19, 21, 21, 18, 20, 17, 22, and 23. Find D5. a) 15 b) 16 c) 17 d) 18 e) 19 f) 20 3) The ages of 9 people in a room are 18, 19, 21, 21, 18, 20, 17, 22, and 23. Find D8. a) 23 b) 22 c) 21 d) 20 e) 19 f) 18 4) The scores of 15 students in a 70-item aptitude test are 20, 25, 40, 50, 18, 14, 50,31, 55, 70, 15, 43, 33, 28, and 30. Find D3. a) 23 b) 24 c) 25 d) 26 e) 27 f) 28 5) The scores of 15 students in a 70-item aptitude test are 20, 25, 40, 50, 18, 14, 50,31, 55, 70, 15, 43, 33, 28, and 30. Find D6. a) 34.2 b) 35.2 c) 36.2 d) 37.2 e) 38.2 f) 39.2

DECILES of Ungrouped Data (Quiz)

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