Here is an example box plot depicting salaries of all analysts in USA as per our recent Excel Salary Survey. Like that Median (Q2) means half the samples are lower than median & the other are more than median.
it means, 25% of people make less than or equal to $39,000 When we say $ 39,000 is the lower quartile of salaries paid in Acme inc. According to Wikipedia, a box plot is a convenient way of graphically depicting groups of numerical data through their five-number summaries: the smallest observation (sample minimum), lower quartile (Q1), median (Q2), upper quartile (Q3), and largest observation (sample maximum) Quartile?!? What is that like? Whenever we deal with large amounts of data, one of the goals for analysis is,
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