Practice Exams

Sharpen your skills with practice exams that test how well you know the most in-demand data science tools and techniques.

A selection of practice exams that will test your current data science knowledge. Identify key areas of improvement to strengthen your theoretical preparation, critical thinking, and practical problem-solving skills so you can get one step closer to realizing your professional goals.

Purple blue cover of Data Visualization with ggplot2. This practice exam is from 365 Data Science.
Practice Exams r

Data Visualization with ggplot2

Former computational biologist turned data scientist Elitsa Kaloyanova, created this data visualization practice test where you are accepted as the new data analyst intern in the largest bank in the UK. As your responsibility to guide the finance team in the process of data interpretation, your knowledge on the R programming language and the ggplot2 library are going to be tested in these data visualization with ggplot2 test questions.

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