The boxplots display case prices in dollars of varieties of

The boxplots display case prices (in dollars) of varieties of grapes produced by three different vineyards. Vineyard Which vineyard produces the most expensive grape? Which vineyard produces the cheapest grape?

Solution

As we can see, the lower whisker of A extends the most downward.

Thus, A produces the cheapest grape. [ANSWER, A]

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[Note that that this is true although the \"box\" of A is about the same as C. We are not talking about the average; we are talking about the cheapest grape there is.]