I built an online sample testing calculator. It calculates required sample sizes, estimated time to finish and statistical significance of tests. This post will explain how it works and how to use it.
Setup tests with online samples require careful planning. Wrong configurations can invalidate any findings and lead businesses to make wrong decisions – what can be worse than having no data at all.
The most widely adopted testing tools take care of the math on experiments, but the researcher must be able to make the necessary configurations for calculations to be correct. I will explain what are …
During a test, many samples are collected and its conversion rates calculated. The next step is to group and classify this data in such a way that will be possible to infer data about the whole …
How to be sure that the result of a hypothesis test with samples is representative of the whole population being studied?
There are many types of tests with samples, and this post will present the most used with online testing techniques, such as A/B tests: hypotheses tests.
