The following data relate sizes of the shoes sold at a store during a Number of pairs Size of shoes Number of pairs Size of shoes 1 8.0 4.5 95 5.0 8.5 82 5.5 4 9.0 75 6.0 5 9.5 44 6.5 15 10.0 25 7.0 30 10.5 15 7.5 60 11.0 4

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