Question

In a Mathematics test, the following marks were obtained 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 than 7.

(b) How many students obtained marks below 4?​

Answer 1

Step-by-step explanation:

In a mathematics test following matrix were obtained by 40 students of class VI.

Arrange these marks in table, tally marks

Marks Frequency Tally marks

1 2 ||

2 3 |||

3 3 |||

4 7 ||||

5 6 ||||

6 7 ||||

7 5 ||||

8 4 ||||

9 3 ||||

Total 40

No. of students obtained marks equal to or more than 7. (7,8,9 marks)

is =5+4+3

=12.

2) 7 students

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Answer 2

Answer:

a. 12 students obtained marks equal to or more than 7.

b. 13 students obtained marks below 4.

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