Q18. If the median of data 12,24,30,35,37,40,3 x 3 x + 4,52,57,59,62,67,70 which are arranged in ascending order is
47 then find the value of x.
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Step-by-step explanation:
n= 14 even
median of even = 1/2 ( n/2 + n/2+1) th term
47 = 1/2 (7th term + 8 th term)
47 =1/2 (3m+3m+4)
94= 6 m +4
90 = 6 m
m= 90/6
m= 15
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