Math, asked by moongully3246, 1 year ago

Find the mean using step deviation method class interval:0-10,10-20,20-30,30-40,40-50 frequency :7,12,13,10,8

Answers

Answered by netalnyati14
11

Answer:

Ci:

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

Fi:

7,12,13,10,8

Xi:

5,15,25,35,45

Di:

-20,-10,0,10,20

Ui:

-2,-1,0,1,2

Fiui:

-14,-12,0,10,16

Therefore, mean = 25+(0/50)*10

= 25+0

=25


Answered by ssivasee1256
14

hope you understand answer

Attachments:
Similar questions