If the data 50, 42, 35, 2x + 10,2x,18, 12, 11 is written in descending order of magnitude and its median is 25, find the value of x
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Step-by-step explanation:
n=8 ( even) , median =25
Median = {(n/2)th term + (n/2 +1) th term } /2
{(8/2) th term + (8/2+1) th term}/2
(4 th term + 5 th term )
/2
A.T.Q, (4 term + 5 term) /2 = 25
{(2x+10) + 2x } /2 = 25
LSAR501:
wht is the value of x??
4x+10/2 =25. ,. 4x+10=25*2=50. 4x=50-10. 4x =40. x =10
sorry i could not complete the answer , so i write in comment box
thx
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