Question

(b) Find the
year, that is 4,270 is also included.
15. The mean marks of 10 students in a subject is 62. If marks of 9 students are 59, 45, 75, 60, 81, 56, 43, 35 and
85, find the marks of the tenth student.
16. The mean of marks obtained by 15 students is 63. If marks of two students were read wrongly 73 instead of 78
and 59 instead of 56, find the correct mean.​

Answer 1

Answer:

marks of tenth student=81