1.

make out of 25 obtained by 8 students in mathematics are as follows: 21,7,13,15,8,20,21,24,find the mean and median of these marks ​

Answer»

Step-by-step EXPLANATION:

ANSWER

Arrange the GIVEN DATA in ASCENDING order

12,15,15,17,17,17,19,19,19,19,19,21,21,21,23,23,23,23,25,25

Frequency DISTRIBUTION Table

Marks

12

15

17

19

21

23

25

No. of students

1

2

3

5

3

4

2



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