Statisticsmedium · Past Paper
If the mean of x, x+2, x+4 is 10, find x.
A8
B10
C12
D6
✓ Correct Answer: A — 8
Sum = 3x + 6. Mean = (3x + 6)/3 = x + 2. Since x + 2 = 10, x = 8.
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✓ Correct Answer: A — 8
Sum = 3x + 6. Mean = (3x + 6)/3 = x + 2. Since x + 2 = 10, x = 8.
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