Data Science Practice Exams

How well do you know the most in-demand data science and analytics tools and techniques? Test your data science skills with practice problems and exam questions.

Discover a plethora of online exams that will test your current knowledge and ability to solve data science problems. Evaluate your skills online at no cost with SQL mock tests, Excel and NumPy exam questions, and more.

Whether you’re studying for an exam, preparing for an interview, or looking to check your knowledge level, our data science practice exams will ensure you’re up to the task. Timed to simulate a real-life experience, the data science test questions verify your theoretical understanding and technical skills.

Identify areas for improvement to enhance your skills, critical thinking, and problem-solving abilities—bringing you closer to achieving your goals.

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