Given the set: {-6, x, 7, 11, 29,

Octavio Chen

Octavio Chen

Answered question

2022-03-27

Given the set: {-6, x, 7, 11, 29, -4, -5}, for what x would the mean of the set be -9?

Answer & Explanation

ron4d3ozip7

ron4d3ozip7

Beginner2022-03-28Added 9 answers

a=1ni=1nai (the mean of a set of n data points)
9=17i=17ai
6+x+7+11+29457=9
Multiply both sides by 7
76+x+7+11+29457=7(9)
x+32=63
Add -32 to both sides
x+32-32=-63-32
x=95

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