Find the value of x such that the data set has a mean of 103.
99,122,103,113,109,x
1 answer:
That means the average of all data point equal:
(99+122+103+113+109+x)/6 = 103
===> (546+x)/6 = 103===> 546+x=618 & x=618-546=72, so x =72
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