Here we ask you to identify which tool was used to produce the following 18 charts: 4 were done with R, 3 with SPSS, 5 with Excel, 2 with Tableau, 1 with Matlab, 1 with Python, 1 with SAS, and 1 with JavaScript. The solution, including for each chart a link to the webpage where it is explained in detail (many times with source code included) can be found here. You need to be a DSC member to access the page with the solution: you can sign-up here.

How do you score? Would this be a good job interview question?

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