Dan gave five sunflower seedlings each a different type of fertilizer. He measured the initial and final heights of each plant after a month, then calculated the total growth of each one in centimeters. Which is the best method for visually representing the data for comparison?

A bar graph is best for comparing the total growth of five seedlings, since each fertilizer type is a separate category and growth is a numerical value. The bars make it easy to compare which plant grew more or less. A pie graph shows parts of a whole, while a data table lists values without displaying the comparison as clearly; a Venn diagram shows relationships between groups.

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