Question

The following are the marks obtained by 30 students in a class test out of 20 in Mathematics subject.

11	12	13	12	12	15	16	17	18	12
20	13	13	14	14	14	15	15	15	15
16	16	16	15	14	13	12	11	19	17

Prepare a table using Tally Marks

Answer 1

We prepare a table using Tally Marks as

Number	Tally Marks	Frequency
11	||	2
12	||||	5
13	||||	4
14	||||	4
15	|||| |	6
16	||||	4
17	||	2
18	|	1
19	|	1
20	|	1
	Total	30