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.

English subtitles Certificate included

Trusted by marketers at

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.

See Pricing

Course Curriculum

Statistics for A/B testing

Basics of Causal Inference

Understanding data can be challenging because real-world information is often messy and unclear.

Statistical Significance & Other Estimates

Statistical results can vary by chance, so it is important to measure how confident we are in our conclusions.

Statistical Power & Sample Size Calculations

Running an A/B test requires enough data to detect meaningful differences.

Multivariate Tests

Testing multiple variations at once can provide more insights but also brings new challenges.

Running Concurrent A/B Tests

Running multiple A/B tests at the same time can introduce challenges that affect results and common solutions often fall short.

Tests With Multiple Outcomes

Explore test setups with multiple outcomes.

Non-binomial data

Not all A/B testing data follows a simple yes-or-no (binomial) structure.

Statistics for Percentage Change

In this lesson, you will learn the difference between absolute and percentage change.

Asking the Right Questions

Learn when to use a one-sided test for your experiments.

Communicating Statistical Results

Discover how to prepare stakeholders to use statistical insights.

Planning an A/B test

Set up an A/B test using what you have learned about experiment design.

Planning an A/B/n test

Apply your skills to plan an A/B/N test, allowing you to compare more than two variations.

Planning an A/B test with non-binomial data

Learn how to implement A/B tests with more complex data that is not simply ‘yes’ or ‘no’.

Analyzing and presenting test outcomes

Analyze your test results, interpret what they mean, and present your findings in a clear way.

About the expert

Georgi Georgiev

Owner @ Web Focus

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

What is the difference between the monthly, quarterly and annual 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.

What is the difference between the individual and teams plans?

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.

What is included in the all-access plan?

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

Can I switch plans later if I want to?

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

What are the payment options available?

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.

What is parity pricing?

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.

Is there a discount available?

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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A/B Test Statistics Course