Question

the following observation has been arranged in ascending order (12,17,18,x,x+3,24,28,30) if the median of the data is 20.5,find x

Answer 1

Answer:

19

Step-by-step explanation:

as you can see there are 8 terms here.

so the median is the average of 4th and 5th term. okay

so we can write that (x+x+3)/2=20.5 okay

lets solve the equation

so 2x+3= 41 okay then

    2x    = 38

so    x   = 19

if you have any doubt then please ask me in the comment box

thanks

Answer 2

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