Question

the marks obtained by 15 students In a class test are 12,14,7, 9, 23, 11, 8,13,21, 19, 16, 24, 17, 3, 20, find first the mean of their marks ​

Answer 1

Step-by-step explanation:

Add all the marks and you will get 200.

And divide 200 by the total number of students. 200/15

13.33...

Answer 2

here is the answer ...

just rotate the mobile!