Question
Write the correct answer in the following:
The class marks of a frequency distribution are given as follows: 15, 20, 25, .... The class corresponding to the class mark 20 is:
The class marks of a frequency distribution are given as follows: 15, 20, 25, .... The class corresponding to the class mark 20 is:
- 12.5 - 17.5
- 17.5 - 22.5
- 18.5 - 21.5
- 19.5 - 20.5
