12. The mean of 6, y, 7, x and 14 is 8. Express y in terms of
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Answer:
The mean of the 5 numbers 6,y,7,x,14 is 8.
Mean=
totalobservations
numberofobservations
8=
5
6+y+7+x+14
40=27+y+x
y+x=13
y=13−x
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