Math, asked by saniya0628, 4 months ago

find the mean CI =0-10 ,10-20,20-30,30-40,40-50 . frequency 5,18,15,16,6 ?​

Answers

Answered by Anonymous
1

Answer:

ANSWER

Class Interval  frequency  (fi)  Mid value  fixi

0-10  12  5  60

10-20  16  15  240

20-30  6  25  150

30-40  7  35  245

40-50  9  45  405

                                                                 N=∑fi=50                                     ∑fixi=1100

∴Mean=  

∑fi

∑fixi

​  

=  

50

1100

​  

=22

Similar questions