What are the parts needed to creat a box plot?

a box plot displays the five-number summary of a set of data. The five-number summary is the minimum, first quartile, median, third quartile, and maximum. In a box plot, we draw a box from the first quartile to the third quartile. A vertical line goes through the box at the median.

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce