The mean height of 25 boys in section A of a class is 61cm and the mean height of 35 boys in section B is 58 cm find the overall mean jeight of 60 boys
Answers
Answered by
0
answer =25×61+35+58=1510+2030
so thee answer =3540
so thee answer =3540
romanticgirl:
I think so it's wrong
please don't mind
Answered by
1
25×61+35×58/35+25=1525+2030/60
=3555/60=59.25
=3555/60=59.25
Similar questions