Compute the median from the folliwing data:
Marks              : o-7, 7-14, 14-21, 21-28, 28-35, 35-42, 42-49
 
No. of students :  3  ,  4   ,  7    ,   11  ,   0    ,   16  ,   9

Asked by GAGAN KHARE | 28th Jun, 2014, 12:06: PM

Expert Answer:

begin mathsize 16px style Find space cf
open square brackets table row 3 row cell 3 plus 4 equals 7 end cell row cell 3 plus 4 plus 7 equals 14 end cell row cell 3 plus 4 plus 7 plus 11 equals 25 end cell row cell 3 plus 4 plus 7 plus 11 plus 0 equals 25 end cell row cell 3 plus 4 plus 7 plus 11 plus 0 plus 16 equals 41 end cell row cell 3 plus 4 plus 7 plus 11 plus 0 plus 16 plus 9 equals 50 end cell end table close square brackets
3 plus 4 plus 7 plus 11 plus 0 plus 16 plus 9 equals 50
50 over 2 equals 25
now space here space 2 space median space classes space are space there space 4 th space and space 5 th
find space median space for space each space using space formula
then space take space average space of space both end style

Answered by Arun | 7th Jan, 2018, 10:46: AM