Posted by **aleah** on Sunday, November 22, 2009 at 11:23pm.

The following scores on the midterm exam in Chemistry 102 were recorded:

93 81 59 69 82 73 61 77 95 84 88 71

86 97 63 72 89 80 60 98 91 62 78 83

76 81 94 66 83 96

Find the interquartile range (IQR).

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