Question

Qus.7-Find Median OR Mode
Marks obtal 0-10 10-20 20-30 30-40
40-50 50-60
60-70
Frequency
05 ,04,03,02,02,01,01​

Answer 1

Answer:

c.f.= 05, 09, 12, 14, 16, 17, 18

Xi= 05,15,25,35,45,55

N/2= 18/2= 09

L= 10

f= 04

h=10

median= 10+ ((15-5)÷4)×10= 35