Question

in an assignment conducted for class 10th 8 students got 5each,6 members got 10 each ,4members got 15 each and 5 students got 20 marks so,the mean of the assignment​

Answer 1

Answer:

Step-by-step explanation:

Total mark=8×5+6×10+4×15+5×20

=40+60+60+100

=260

Total number of students=8+6+4+5=23

So mean=260/23=11.3. (answer)