The data in increasing order is 40, 42, 45, 49, X,X+2,58, 62 ,64,68
Find the value of x if the mean of the data is 53.
Find the value of x if the median of the data is 53
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median = mid terms
53 =( x + x + 2)×1/2
53 = (2x+2)×1/2
53 = 2(x+1)×1/2
53 = x+1
x = 53-1 = 52
X = 52
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