Statistics and Probability Practice test
Practice probability theory, data analysis, distributions, hypothesis testing, and statistical inference. Choose a test option from easy to hard.
FAQ: Description of tests
Below is a description of each test option and the skills it tests. Select a test and prepare for the topics.
Test 1 (20 questions)
Test 2 (20 questions)
Test 3 (20 questions)
Test 4 (20 questions)
Test 5 (20 questions)
This page offers free online Statistics and Probability practice tests designed for students who want to build skill, speed, and confidence through targeted problem solving.
Whether you’re preparing for a quiz, midterm, final exam, placement test, or simply trying to strengthen your fundamentals, these practice tests let you learn by doing. Instead of passively rereading notes, you’ll answer exam-style questions and immediately see where you’re strong and where you need more review. The goal is simple: help you turn key concepts into habits—reading a question carefully, choosing the right method, and checking whether your result makes sense.
The tests focus on the core ideas students meet most often in introductory statistics and probability. You can practice topics such as organizing and interpreting data (tables, charts, and summaries), measures of center and spread, and reasoning about chance events using standard probability rules. Practice commonly includes skills like working with averages and other descriptive statistics (for example, mean/median/mode and variability measures) because they are foundational in many statistics problem sets and worksheets. You may also encounter questions that build intuition for random experiments, counting methods, independence vs. dependence, conditional probability, and interpreting results in context—skills that show up across math, economics, data science, engineering, and the natural and social sciences.