Question

The marks out of 100 obtained by a group of Students in a Science Test are 85 ,76,90,85,39,48,56,95,81,and 71 find the Mean marks obtained by the group

Answer 1

Mean= sum of all the numbers / total numbers =85+76+90+85+39+48+56+95+81+71/10
= 726/10
=72.6 is the mean marks obtained by the group.
hope it will help u :)

Answer 2

Mean Marks= Total marks obtained by students /Total number of students

Mean marks= 85+76+90+85+39+48+56+95+81 +71 / 10

=726 / 10 ....... (Adding marks obtained by students )

=72.6
Therefore, mean marks is 72.6

Hope you understand this