Question

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.

Answer 1

The frequency table of the marks scored by 40 students of class VIII in mathematics is given below:

Mark	Tally Marks	Frequency
20\[-\]30	|	1
30\[-\]40	|||	3
40\[-\]50	||||	5
50\[-\]60	||||  |||	8
60\[-\]70	||||  |||	8
70\[-\]80	||||  ||||	9
80\[-\]90	||||	4
90\[-\]100	||	1