Question

Median is 206 .
To find : x and y
total is 80 .

Solve fast plss.....

Answer 1

Median =l+[n/2-cf/f]×h

here l= 210, n/2=40, cf=31+x, fi=13&h=10& median = 206

206= 210+[40-31-x/13]×10

-4×13= 90-10x

-52-90=-10x

x=14. 2

so y=1. 8

Answer 2

Answer: x=15, y=1

Step-by-step explanation:

As median always lies between the class intervals of median class we take 200-210 as median class as median is 206. Therefore,

l=200

cf=16+x

n/2=40

f=15

h=10

Put the values in formula:-

Median= l + (n/2 - cf / f) * h

See the image for further explanation