Read the following pictograph.
How many students like purple colour?
3
4
9
6
Number of students who like purple colour = 2 + 2 + 2 = 6
Read the following chart:
How many students like vanilla flavor?
Observe the following bar graph:
Difference between the number of students who like colour purple and green.
How many student like red colour?
In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.
8
1
7
5
2
(a) Find how many students obtained marks equal to or more than7.
(b) How many students obtained marks below 4?