Statisticsmedium · Past Paper
The median of observations 11, 12, 14, 18, x+2, x+4, 30, 32, 35, 41 arranged in ascending order is 24. Find x.
A20
B21
C22
D24
✓ Correct Answer: B — 21
N = 10. Median = (5th + 6th)/2 = (x+2 + x+4)/2 = x+3. x+3 = 24 implies x = 21.
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