Why use Box plots?īox & whisker plots are an excellent way to show distribution of your data without plotting all the values. The box shows distribution of middle half of data (salaries) while the lines (called as whiskers) show minimum and maximum salaries.Īs you can see, 50% of the analysts make between $46,000 to $75,000 while the min is $10k and max is $160k. 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,
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |