### Data Sampling

What is Data Sampling? Data sampling is a statistical technique used to select a subset of data from a larger dataset, in order to draw

Conversion rate optimization and analytics terms defined.

What is Data Sampling? Data sampling is a statistical technique used to select a subset of data from a larger dataset, in order to draw

What is Delta? “Delta” is a term used to describe the difference between two values or metrics over a period of time. In the context

What is Significance Level in A/B Testing and CRO? Significance level, also known as observed significance or alpha level, is a statistical term representing the

What is Return on Investment (ROI)? Return on Investment (ROI) is a financial metric used to measure the profitability of an investment, typically expressed as

What is Percent Change (Lift)? Percent change, also known as lift or relative change, is a statistical measure that compares the difference between two values

What is A Multivariate Test (MVT)? Multivariate testing (MVT) is a testing method that allows marketers and website owners to test multiple variations of several

What is Lift in A/B Testing and CRO? A lift is a metric used in A/B testing and conversion rate optimization (CRO) to measure the

What is Conversion Rate? Conversion rate is a metric used in digital marketing to measure the percentage of website visitors who take a desired action,

What is Churn Rate? The churn rate measures the rate at customers or subscribers stop using a product or service over a given period. In

What is Bayesian Inference? Bayesian inference is a statistical approach that uses Bayes’ theorem to update our prior beliefs or knowledge about a hypothesis or

What is Average Sample Size? Average sample size refers to the number of participants or items selected from a larger population for a research study.

What Is A Primary Goal? A primary goal is to increase the number of website visitors who take the desired action on a website, such

What is a Hypothesis? At its simplest, a hypothesis is an assumption that you make that can be validated or invalidated through testing. It’s an

What is A/B/n testing? A/B/n testing is a more complex version of an A/B experiment that tests multiple versions of a website to random, equally

What is Average Order Value (AOV)? Short for “average order value”, AOV is the average dollar amount a customer spends when placing an order on

What is an A/B Test? An A/B test (also known as a split test, split URL test, or bucket test) is a strategic effort to

What is an A/A Test? An A/A test uses split testing processes to test two identical versions of a website, ad, or creative. Unlike an

What is An Absolute Change? Absolute change in online testing and conversion rate optimization is the total difference between two numbers being measured in relation

- GA 4 Metrics and Dimension Cheatsheet
- My Course for Traffic Think Tank on GA 4 [May 2022 update]
- My Course for Measurement Marketing on GSC [June 2022 update]
- My talk for MeasureSchool on Funnel Depth Audits [March 2022 update]
- My guide on Funnel Depth Audits for Supermetrics [Sept 2021 update]
- Intro to Regex for Content Marketers for Superpath Community [July 2021 update]

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