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Question 1:

In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.

8

1

3

7

6

5

5

4

4

2

4

9

5

3

7

1

6

5

2

7

7

3

8

4

2

8

9

5

8

6

7

4

5

6

9

6

4

4

6

6

(a) Find how many students obtained marks equal to or more than7.

(b) How many students obtained marks below 4?

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