Given a set ${9, 3, 4, 6, x, 6, 1, - 4}$ ${9,3,4,6,x,6,1,-4}$ , for what x would the mean of the set be -32?

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Answer 1 · 2015-11-25T11:25:19

$x = (- 281)$ $x=(-281)$

Sum of ${9, 3, 4, 6, x, 6, 1, - 4}$ ${9,3,4,6,x,6,1,-4}$ is $25 + x$ $25+x$

If the mean of these $8$ $8$ numbers is $(- 32)$ $(-32)$ then their sum must be:
$(- 32) \times 8 = - 256$ $(-32)xx8 = -256$

$25 + x = - 256$ $25+x=-256$

$x = = - 281$ $x= =-281$

Given a set {9,3,4,6,x,6,1,−4} {9,3,4,6,x,6,1,-4} , for what x would the mean of the set be -32?