A sample of 21 cities were selected from around the continental United States. The prices of whole milk (in units of dollars per gallon) in these cities are seen below. 2.52 2.92 4.64 3.39 3.47 2.96 3.52 4.16 2.70 3.59 4.84 3.55 4.12 4.25 3.99 3.02 2.86 3.84 3.42 3.55 4.02 Calculate the mean milk cost in these cities. Round to the nearest cent. What is the median milk cost in these cities? Determine the first quartile Q1 for this set of data.

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