Question

b) The mean of six numbers: x-5, x-1, x,x+2,x+4 and x+12 is 15.Find the numbers.
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Answer 1

Answer:

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Answer 2

Explanation:

We know that,

mean = sum of all observations/ total number of observations

x-5+x-1+x+x+2+x+4+x+12/6=15

6x+12/6=15

6x+12=90

6x=90-12

6x=78

x=13

Hence,

the numbers are 13