| 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
The correct answer is: C
Explanation
∑f = 2 + 2 + 8 + 4 + 4
= 20
There is an explanation video available .