Question

if the average weight 45 students of section b is 75kg. the average weight of 35 students section c is 65kg. find the average of boht section.​

Answer 1

Answer:

if the average weight 45 students of section b =75kg

the average weight of 35 students section c =65kg

so average of both section =total sum of average weight / no of section

=(65+75)/2

=70kg