IB Mathematics Applications and Interpretation Quiz
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STATISTICS AND PROBABILITY
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The ages of 12 people on a committee are: 28, 35, 38, 42, 45, 45, 51, 53, 56, 60, 62, 68. Find the interquartile range (IQR) of the ages.
A
13
B
18
C
20
D
40
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