Question

money 0-10,10-20,20-30,30-40,40-50

servent
22,38,46,35,20
find bahulak​

Answer 1

Answer:

40-50 9 45 405

N=∑fi=50 ∑fixi=1100

∴Mean=

∑fi

∑fixi

=

50

1100

=22

solution