A box plot focuses on graphing variables based on their quartiles. The main boxes represent the middle 50% of the population, or the area between the first and third quartile. The "whiskers" represent the upper and lower quartiles and the red line in the middle of the boxes show the populations median. This box plot is comparing the base salary of marketing vs. research jobs. Average marketing salaries are greater than research salaries and marketing salaries have a great interquartile range.
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