The marks obtained by 40 students of a class in an examination are given below:
8, 47, 22, 31, 17, 13, 38, 26, 3, 34, 29, 11, 22, 7, 15, 24, 38, 31, 21, 35, 42, 24, 45, 23, 21, 27, 29, 49, 25, 48, 21, 15, 18, 27, 19, 45, 14, 34, 37, 34.
Prepare a frequency distribution table with equal class intervals, starting from 0-10 (where 10 is not included).
The frequency distribution table is given as:
Marks | Tally Marks | Number of Students (Frequency) |
0 – 10 | III | 3 |
10 – 20 | 8 | |
20 – 30 | 14 | |
30 – 40 | 9 | |
40 – 50 | 6 | |
Total | 40 |