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Question

Find the interquartile range for the ogive.
456263.PNG
  1. 8.2
  2. 6.2
  3. 9.3
  4. 8.1

A
6.2
B
8.1
C
9.3
D
8.2
Solution
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From figure, we have
Upper quartile =27.7 and lower quartile =11.5
Interquartile Range =upper quartile lower quartile2
=27.711.52
=8.1

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