Statisticseasy · Past Paper
What is the first quartile (Q1) of 1, 2, 3, 4, 5?
A1
B1.5
C2
D2.5
✓ Correct Answer: B — 1.5
Q1 position = (5+1)/4 = 1.5th term. Average of 1st and 2nd term = (1+2)/2 = 1.5.
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