Question

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 1

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

Answer 2

Answer:

mean of these marks is

(21+7+13+15+8+20+21+24)/8

=129/8

=16.125

arrange ing the marks

7,8,13,15,20,21,21,24

median of these marks is

(15+20)/2=35/2=17.5