Q : 1 In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.
8 | 1 | 3 | 7 | 6 | 5 | 5 | 4 | 4 | 2 |
4 | 9 | 5 | 3 | 7 | 1 | 6 | 5 | 2 | 7 |
7 | 3 | 8 | 4 | 2 | 8 | 9 | 5 | 8 | 6 |
7 | 4 | 5 | 6 | 9 | 6 | 4 | 4 | 6 | 6 |
(a) Find how many students obtained marks equal to or more than 7.
(b) How many students obtained marks below 4?
Marks Obtained |
Tally Marks |
Number of Students |
1 | 2 | |
2 | 3 | |
3 | 3 | |
4 | 7 | |
5 | 6 | |
6 | 7 | |
7 | 5 | |
8 | 4 | |
9 | 3 | |
Total | 40 |
(a) Number of students who obtained marks equal to or more than 7 = 5 + 4 + 3 = 12
(b) Number of students who students obtained marks below 4 = 3 + 3 + 2 = 8