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1. Interquartile range of eleven values ●○○○○ 10 ptsFind the interquartile range of the data set 21, 23, 20, 27, 25, 24, 30, 21, 22, 28, 30.
2. Fifth decile of fund growth rates ●○○○○ 10 ptsA mutual fund achieved the following monthly growth rates (in percent) over an 11-month period: 3, 2, 7, 8, 2, 4, 3, 7.5, 7.2, 2.7, 2.09. Determine the 5th decile of the data (give the value in percent, without the % sign).