Ch 4 Organisation of data Statistics grade 11
Page No 4.54: Question 1: Following are the figures of marks obtained by 40 students. You ae required to arrange them in ascending and in descending order. 15 18 16 14 10 6 5 3 8 7 22 18 14 19 17 8 6 4 10 3 12 16 15 13 11 10 18 22 14 19 11 18 22 14 25 21 17 8 9 10 ANSWER: Marks in Ascending Order: 3, 3, 4, 5, 6, 6, 7, 8, 8, 8, 9, 10, 10, 10, 10, 11, 11, 12, 13, 14, 14, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 18 ,19, 19, 21, 22, 22, 22, 25 Marks in Descending Order: 25, 22, 22, 22, 21, 19, 19, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 13, 12, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 7, 6, 6, 5, 4, 3, 3 Page No 4.54: Question 2: Heights (in inches) of 35 students of a class in given below. Classify the following data in a discrete frequency series 58 60 72 68 58 55 58 72 55 68 66 60 60 55 76 66 58 72 68 60 55 68 55 58 62 66 72 58 60 68 55 58 65 72 68 ANSWER: In the form of frequency distribution, the given data can be arranged as follows. Heig...