The marks scored by 40 students of class VIII in mathematics are given below :
81, 55, 68, 79, 85, 43, 29, 68, 54, 73, 47, 35, 72, 64, 95, 44, 50, 77, 64, 35, 79, 52, 45, 54, 70, 83, 62, 64, 72, 92, 84, 76, 63, 43, 54, 38, 73, 68, 52, 54.
Prepare a frequency distribution with class size of 10 marks.
Marks | Frequency Distribution |
20 – 30 | 1 |
30 – 40 | 3 |
40 – 50 | 6 |
50 – 60 | 7 |
60 – 70 | 9 |
70 – 80 | 8 |
80 – 90 | 34 |
90 – 100 | 2 |