The median 3

The median of the following observations arranged in ascending order is 64:

27, 31, 46, 52, x, x + 4, 71, 79, 85, 90

Find the value of x.

Correct answer:

x =  62

Step-by-step explanation:

m=64 n=10  a5 = x a6 = x+4  m = 2a5+a6  2m = a5+a6  2m = x+x+4  2m=2x+4 m=x+2  x=m2=642=62



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