The following data relates to the sizes of shoes sold at a store during a given week. Find the median size of the shoes. Also calculate the quartiles, 3rd quintile, 3rd decile and 85th percentile. Size of shoes Frequency Size of shoes Frequency 5 2 7.5 40 5.5 8 8 25 6 20 8.5 10 6.5 30 9 3 7 70 9.5 1

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