Question

if the median of the distribution given below is 28.5 find the value of x and y solve ​

Answer 1

Answer:

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Answer 2

Answer:

Here, it is given that Median =28.5 and n=∑fi=60

Cummulative frequency table for the following data is given.

Here n=60⇒2n=30

Since, median is 28.5, median class is 20−30

Hence, l=20,h=10,f=20,c.f.=5+x

Therefore, Median =l+(f2n−cf)h

28.5=20+(2030−5−x)10

⇒28.5=20+225−x

⇒8.5×2=25−x

⇒x=8

Also, 45+x+y=60

⇒y=60−45−x=15−8=7.

Hence, x=8,y=7

Step-by-step explanation:

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