Question

the marks obtained by students students In a class test given below 28 7 19 21 25 21 25 28 25 27 find the mean marks.​

Answer 1

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:

28+7+19+21+25+28+25+27

mean marks equals to 180

I think