Mathematics
Mathematics, 22.09.2019 00:30, Tabbicat021

This data set represents the number of cups of coffee sold in a café between 8 a. m. and 10 a. m. every day for 14 days.
{10, 9, 6, 12, 4, 6, 7, 8, 15, 14, 12, 9, 10, 5}.
the difference of the values of the first and third quartiles of the data set is
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