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.
A/B Testing for Social Media
In this free A/B Testing for Social Media practice exam, you are an experienced data analyst who works at a new social media company called FilmIt. You are tasked with the job of increasing user engagement by applying the correct modifications to how users move on to the next video. You decide that the best approach is by conducting a A/B test in a controlled environment. Therefore, in order to successfully complete this task, you are going to be tested on statistical significance, 2 tailed-tests and choosing the success metrics.
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Fundamentals of A/B Testing
A/B Testing is a powerful statistical tool used to compare the results between two versions of the same marketing asset such as a webpage or email in a controlled environment. An example of A/B testing is when Electronic Arts created a variation version of the sales page for the popular SimCity 5 simulation game, which performed 40% better than the control page. Speaking about video games, in this free practice test, you are a data analyst who is tasked with the job to conduct A/B testing for a game developer. You are going to be asked to choose the best way to perform an A/B test, identify the null hypothesis, choose the right evaluation metrics, and ultimately increase revenue through in-game ads.
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Intrо to Machine Learning
State-of-the-art machine learning algorithms have opened a whole new realm of possibilities for businesses to optimize their processes and create new product/service features, that maximize competitive advantages. Used in recommendation systems, fraud detection, spam filtering, self-driving cars, to name a few, these advanced algorithms are only getting more popular by the day. Take this free machine learning practice exam and test your knowledge on supervised, unsupervised and reinforcement machine learning, and their applications.
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Introduction to Data Science Disciplines
The term “Data Science” dates back to the 1960s, to describe the emerging field of working with large amounts of data that drives organizational growth and decision-making. While the essence has remained the same, the data science disciplines have changed a lot over the past decades thanks to rapid technological advancements. In this free introduction to data science practice exam, you will test your understanding of the modern day data science disciplines and their role within an organization.
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Interpreting Data
The free Interpreting Data practice exam by top business executive and data enthusiast Oliver Maugain who has had a prolific career in the financial, advertising, and chemical industry. His goal is to help students master the language of data by personally creating this set of data literacy exercises that are meant to put your data interpretation skills to the test, as you are asked to perform various fundamental analyses techniques on a set of real estate sales data.
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Reading Data
These free Reading Data test questions were carefully crafted by top data culturist Oliver Maugain- Decision Intelligence Manager at a major European retailer who supports the organization in making better and faster decisions using data. The Reading Data practice exam is going to put your data description ability to the test as you are asked to describe the basic characteristics of a travel questionnaire- like the standard deviation, median and mode of the dataset.
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Using Data
This free practice exam on Using Data designed by 365 Data Science collaborator Oliver Maugain- top-level executive at a major European retail brand and a passionate data literacy teacher who wants to popularize the language of data. The data literacy assessment exam contains data literacy questions which are going to test your comprehension on how data is being used and the different machine learning and business analytics techniques.
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Understanding Data
This set of data literacy test questions were carefully crafted by top data culturist Oliver Maugain- Decision Intelligence Manager at a major European retailer who supports the organization in making better and faster decisions using data. The Data Literacy Intro practice exam contains 6 data literacy questions which are going to quiz you on data terminology, different types of data, different data storage systems and the technical tools required to analyze data.
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Data Science Interview Process
According to Senior Data Scientist Ken Jee Less than 5% of data scientist job applicants successfully land a job. Most of the time, the main reason for this low success rate is the applicant’s misrepresentation of their skills and not their lack of qualifications, which is why in this free Data Science Interview Process practice exam you are going to be tested on the methodology behind successfully passing the recruitment process- the phone interview, the take home test and the in-person interview.
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Data Science Project Portfolio
Senior data scientist and data influencer Ken Jee created this free Data Science Project Portfolio practice exam that goes over the case of Caroline - statistics graduate who has started her job searching journey in the fields of data science. This set of data science career questions are going to test your knowledge on how to differentiate yourself from the sea of other applicants.
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AI & Data Product Deployment
Danielle The’- expert AI Product Manager at Instagram and ambitious Machine Learning advocate, has created this free Product Management for AI & Data Science practice exam that is going to test your nuanced understanding of the different AI product deployment methods and the monitoring techniques involved in the post -deployment process - like selecting feedback metrics and implementing feedback loops.
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Frameworks for AI & Data Products
In this free Frameworks for AI & Data Products practice exam you are a product manager who enrolled in a workshop with the intent of learning how to adopt a more strategic perspective on AI product management. These set of problems challenge your expertise in AI Product Management by asking you to choose the appropriate ideation technique, evaluate the performance of a model and software development framework, and decide when the model is ready for deployment.
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Business Strategy and UI for AI & Data Science
This free Product Management for AI & Data Science practice exam is made by Instagram Senior Product Manager and tech enthusiast Danielle The’, whose hopes are to simplify the digital world to businesses and individuals alike. These Product Management for AI & Data Science Problems are going to test your knowledge on key technical concepts, hypothesis formation and testing, and the AI methodologies in creating memorable user experience.
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Maturity Stages in Business Analytics Practice
The free Maturity Stages in Business Analytics practice exam was carefully designed by seasoned business intelligence analyst Randy Rosseel -Finance Director at Coca Cola Enterprises and avid proponent of business analytics education. These business analytics exercises will require you to identify the key value drivers, choose the right metrics, and view holistically the stages of analytics for a major Australian coffee producer.
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End-to-End Business Analytics
The End-to-End Business Analytics Practice Exam was hand-made by experienced financial executive at Coca-Cola- Randy Rosseel. He enjoys sharing his expertise with students, teaching them the analytical capabilities required to drive business growth. Therefore, he created this set of Business Analytics Exercises that are meant to test how nuanced your understanding of end-to-end processes is and how they fit in the overall structure of a business.
Learn MoreExplore our top data science practice exams, recommended by our students and expert team of instructors—free to download.
Introduction to Data Science Disciplines
The term “Data Science” dates back to the 1960s, to describe the emerging field of working with large amounts of data that drives organizational growth and decision-making. While the essence has remained the same, the data science disciplines have changed a lot over the past decades thanks to rapid technological advancements. In this free introduction to data science practice exam, you will test your understanding of the modern day data science disciplines and their role within an organization.
Learn MoreIntrо to Machine Learning
State-of-the-art machine learning algorithms have opened a whole new realm of possibilities for businesses to optimize their processes and create new product/service features, that maximize competitive advantages. Used in recommendation systems, fraud detection, spam filtering, self-driving cars, to name a few, these advanced algorithms are only getting more popular by the day. Take this free machine learning practice exam and test your knowledge on supervised, unsupervised and reinforcement machine learning, and their applications.
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Excel Basics
Ever since its first release in 1985, Excel continues to be the most popular spreadsheet application to this day- with approximately 750 million users worldwide, thanks to its flexibility and ease of use. No matter if you are a data scientist or not, knowing how to use Excel will greatly improve and optimize your workflow. Therefore, in this free Excel Basics practice exam you are going to work with a dataset of a company in the Fast Moving Consumer Goods Sector as an aspiring data analyst and test your knowledge on basic Excel functions and shortcuts.
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Useful Tools in Excel
What Excel lacks in data visualization tools compared to Tableau, or computational power for analyzing big data compared to Python, it compensates with accessibility and flexibility. Excel allows you to quickly organize, visualize and perform mathematical functions on a set of data, without the need for any programming or statistical skills. Therefore, it is in your best interest to learn how to use the various Excel tools at your disposal. This practice exam is a good opportunity to test your excel knowledge in the text to column functions, excel macros, row manipulation and basic math formulas.
Learn MoreMost Popular Practice Exams
Explore our top data science practice exams, recommended by our students and expert team of instructors—free to download.
Introduction to Data Science Disciplines
The term “Data Science” dates back to the 1960s, to describe the emerging field of working with large amounts of data that drives organizational growth and decision-making. While the essence has remained the same, the data science disciplines have changed a lot over the past decades thanks to rapid technological advancements. In this free introduction to data science practice exam, you will test your understanding of the modern day data science disciplines and their role within an organization.
Learn MoreIntrо to Machine Learning
State-of-the-art machine learning algorithms have opened a whole new realm of possibilities for businesses to optimize their processes and create new product/service features, that maximize competitive advantages. Used in recommendation systems, fraud detection, spam filtering, self-driving cars, to name a few, these advanced algorithms are only getting more popular by the day. Take this free machine learning practice exam and test your knowledge on supervised, unsupervised and reinforcement machine learning, and their applications.
Learn MoreExcel Basics
Ever since its first release in 1985, Excel continues to be the most popular spreadsheet application to this day- with approximately 750 million users worldwide, thanks to its flexibility and ease of use. No matter if you are a data scientist or not, knowing how to use Excel will greatly improve and optimize your workflow. Therefore, in this free Excel Basics practice exam you are going to work with a dataset of a company in the Fast Moving Consumer Goods Sector as an aspiring data analyst and test your knowledge on basic Excel functions and shortcuts.
Learn MoreUseful Tools in Excel
What Excel lacks in data visualization tools compared to Tableau, or computational power for analyzing big data compared to Python, it compensates with accessibility and flexibility. Excel allows you to quickly organize, visualize and perform mathematical functions on a set of data, without the need for any programming or statistical skills. Therefore, it is in your best interest to learn how to use the various Excel tools at your disposal. This practice exam is a good opportunity to test your excel knowledge in the text to column functions, excel macros, row manipulation and basic math formulas.
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