A/B Test Statistics Course
Get accurate and reliable results with statistics for A/B testing
3h 30min | 15 lessons | 16 downloadable resources
In this course, you will learn how to:
- Apply statistical methods to ensure your A/B test results are reliable.
- Avoid common mistakes that lead to misleading or inconclusive test data.
- Determine the right sample size and test duration for accurate results.
- Interpret statistical significance and confidence levels correctly.
- Use data to make informed business decisions, not just guesses.

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Bad data leads to bad decisions. Get results you can trust.
Running tests is easy, but knowing if you can trust the results is another story. Many businesses make decisions based on flawed data, leading to wasted budget and missed opportunities. This course teaches you how to apply statistical principles to ensure your A/B tests deliver insights you can act on with confidence.

Master statistics for A/B testing to ensure reliable and actionable test results
Course Length:
3h 30min. 15 lessons.
Data-driven decision-making starts with understanding the numbers. This course simplifies the key statistical concepts behind experimentation, so you can confidently interpret results and avoid costly testing mistakes. Walk away knowing how to run tests that lead to improvements, not just random fluctuations. Learn to calculate sample sizes, understand statistical significance, and address complex testing scenarios to make better decisions and improve outcomes.
After completing this online course on statistics for A/B testing you will be able to assist your team and company with:
- Designing A/B tests that provide statistically valid results.
- Identifying false positives, errors, and misleading data before acting on it.
- Determining when a test has reached significance and when to keep running it.
- Calculating the right sample size for reliable decision-making.
- Using statistics to improve the accuracy and impact of experimentation.
This course is for you if you are responsible for:
- Running and analyzing A/B tests to improve business outcomes.
- Making data-driven decisions that impact marketing, UX, or product strategies.
- Ensuring test results are valid and not just statistical noise.
- Avoiding costly mistakes caused by misinterpreting experiment data.
- Improving your ability to communicate testing insights with confidence.
Look no further than CXL, this is the best and most recommended course you will find on Statistics for A/B Testing.

Subscribe now and get access
Course Curriculum
Statistics for A/B testing
Basics of Causal Inference
Statistical Significance & Other Estimates
Statistical Power & Sample Size Calculations
Multivariate Tests
Running Concurrent A/B Tests
Tests With Multiple Outcomes
Non-binomial data
Statistics for Percentage Change
Asking the Right Questions
Communicating Statistical Results
Planning an A/B test
Planning an A/B/n test
Planning an A/B test with non-binomial data
Analyzing and presenting test outcomes

Georgi is an expert internet marketer and statistician working passionately in the areas of SEO, SEM and Web Analytics since 2004. He is the founder of Analytics-Toolkit.com and owner of an online marketing agency & consulting company: Web Focus LLC and also a Google Certified Trainer in AdWords & Analytics.
His special interest lies in data-driven approaches to testing and optimization in e-commerce and internet advertising and Georgi is also the author of three papers, multiple articles on A/B testing for conversion rate optimization, as well as the book “Statistical Methods in Online A/B Testing”.
This online course
comes with a
Certificate
Completing this course earns you an official CXL Statistics for A/B Testing Course Certificate to prove your achievement. CXL is recognized as an industry-leading qualification by employers worldwide, and it is an official qualification on Linkedin that can be added to your profile.

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Frequently asked questions
Plans
We offer three types of billing lengths to choose from: Monthly, Quarterly, or Annual. The longer the billing length, the cheaper the monthly cost becomes.
Typically annual plans are 40% cheaper per year than paying month-to-month.
Personal or Individual plans are meant for one person where teams have 2 or more people.
A team account has a few extras:
– Invite and manage people learning on your team.
– Create roadmaps for each individual.
– Access team learning engagement reports.
– Assign members to your team as managers to assign content and view reports.
You’ll get:
– Access to 90+ online courses.
– Earn certificates and add them to LinkedIn.
– Thousands of playbooks and resources.
– All minidegrees
– Roadmapping and progress tracking
– Premium Support
Yes. You can switch between different billing lengths at any time (Ex: Switch from a Monthly Plan to Annual).
If you’d like to switch from a individual plan to a team plan (or vice versa), please reach out to customer success via live chat.
Billing
Most major credit cards and Paypal are accepted. If you need an invoice to pay by wire, please message our customer success team via chat for options.
All of our products are priced in USD currency. In order to make our products more affordable, we have established a system where you can pay in your local currency using a special metric that adjusts the price you pay according to the purchasing power of your country.
One of CXL’s company policies is that we don’t discount. Our focus is on the product – providing the best, highest quality content with our courses.
The listed price on the site shows the best price – you can buy with confidence.
We offer pricing based on your local currency, you’ll see this reflected on the pricing and checkout pages.

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