| Marks | 1 | 2 | 3 | 4 | 5 |
| Frequency | 2 | 2 | 8 | 4 | 4 |
The table above show the marks obtained in a given test.
How many student took the test?
16
13
20
15
Correct answer is C
∑f = 2 + 2 + 8 + 4 + 4
= 20
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