1
Question
In a mathematis test following marks were obtained by 40 students of class VI. 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
(i) Find how many students obtained marks equal to or more than 7?
(ii) How many students obtaned marks below 4?
| 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 |
(ii) How many students obtaned marks below 4?
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Solution
The Frequency Distribution Table is :
Marks
Tally Marks
Frequency
1
II
2
2
III
3
3
III
3
4
IIII II7
5
IIII I6
6
IIII II7
7
IIII5
8
IIII
4
9
III
3
(i) 12 students obtained marks equal to or more than 7.
(ii) Only 8 students obtained marks below 4.
| Marks | Tally Marks | Frequency |
| 1 | II | 2 |
| 2 | III | 3 |
| 3 | III | 3 |
| 4 | 7 | |
| 5 | 6 | |
| 6 | 7 | |
| 7 | 5 | |
| 8 | IIII | 4 |
| 9 | III | 3 |
(i) 12 students obtained marks equal to or more than 7.
(ii) Only 8 students obtained marks below 4.
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