Question

10.

Arithmetic mean of marks (out of 25) scored by 10 students was 15. One of the student
,
named Karishma enquired the other 9 students and find the deviations from her marks are
noted as -8, -6, -3,-1,0,2,3,4,6. Find Karishma's marks.​

Answer 1

answer:

-8+(-6)+(-3)+(-1)+0+2+3+4+6= -0.33

9