Statisticseasy · Past Paper
If the mean of x, x+2, x+4 is 12, what is the value of x?
A8
B10
C12
D14
✓ Correct Answer: B — 10
(x + x + 2 + x + 4) / 3 = 12 implies 3x + 6 = 36, so 3x = 30, x = 10.
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