Estimate quartile deviation
8 ,9 ,11 ,17 ,13 ,21 ,20 ,25 ,23 ,27
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Answer:
Explanation:
Q1=N+1/4=11/4=2.75
9+.75(11-9)=10.5
Q3=3(N+1)/4=8.25
23+.25(2)=23.5
Q.d=6.5
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