Mr Hassan gave his year 7 class a test on Friday. the highest possible mark for the test was 10.

Answer:
To solve this question, we just need to observe the given graph.
Each little square is equivalent to 0.5 units, so there are 5 students who fot more than 8. Specifically, 1 got 8 points and 4 students got 10.
There are 33 pupils in total, remember that each little square is equivalent to 0.5 units.
The assumption was that the majority of pupils scored less than 8.