Statisticseasy · Past Paper
What is the upper quartile (Q3) position in a dataset of 11 items?
A3rd
B6th
C9th
D11th
✓ Correct Answer: C — 9th
Q3 position = 3(n+1)/4. Here 3(11+1)/4 = 3(12)/4 = 9th item.
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