Question

by 40 sen
1. In a Mathemati
Mathematics test, the following marks were obtained by 40 st
ese marks in a table using tally marks.
-
3
4
8
4
7
7
1
9
3
4
5
8
5
7
3
4
6
6
7
2
9
5
1
X
6
5
6
9
4
+
(a) Find how many students obtained marks equal to or more than 7
(b) How many students obtained marks below 4?​

Answer 1

students. tally marks. frequency.

x. l. 1

1. ll. 2

2. l 1

3. lll. 3

4. llll/ 5

5. llll. 4

6. llll. 4

7. llll. 4

8. ll. 2

9. lll. 3

equal to 7= 4

more than 7=2+3=5