| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| y | 3 | 4 | 5 | 6 | 7 | 6 | 5 | 4 |
How many children are in the hospital
- 36
-
40
- 44
- 50
The correct answer is: B
Explanation
The total number of students is β f = 3 + 4 + 5 + 6 + 7 + 6 + 5 + 4
= 40
There is an explanation video available .