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Question
The marks (out of 10) obtained by 28 students in a Mathematics test are listed as below:
8, 1, 2, 6, 5, 5, 5, 0, 1, 9, 7, 8, 0, 5, 8, 3, 0, 8, 10, 10, 3, 4, 8, 7, 8, 9, 2, 0
The number of students who obtained marks more than or equal to 5 is ______.
Options
13
15
16
17
Solution
The number of students who obtained marks more than or equal to 5 is 17.
Explanation:
In order to find out how many students obtained marks more than or equal to 5, we will arrange the given data in a table, using tally marks.
Marks in Mathematics test Tally marks Number of students
| Marks in Mathematics test |
Tally marks | Number of students |
| 0 | |||| | 4 |
| 1 | || | 2 |
| 2 | || | 2 |
| 3 | || | 2 |
| 4 | | | 1 |
| 5 | |||| | 4 |
| 6 | | | 1 |
| 7 | || | 2 |
| 8 | `cancel(bb|bb|bb|bb|)`| | 6 |
| 9 | || | 2 |
| 10 | || | 2 |
The number of students who obtained marks more than or equal to 5
= 4 + 1 + 2 + 6 + 2 + 2
= 17
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