Sequential hypothesis testing is a methodological framework that systematically evaluates data as it is acquired, enabling decisions to be made as soon as sufficient evidence is collected. This ...

At times we wish to examine statistical evidence, and determine whether it supports or contradicts a claim that has been made (or that we might wish to make) concerning the entire population. This is ...

The word “hypothesis” has celebrity status. From Ancient Greece through the Enlightenment to Total Quality Management, the process of hypothesis testing provokes thinkers and researchers to elucidate ...

A/B-testing should help you get better results—not waste your budget. But without structure or a clear hypothesis, it often becomes a series of tests of random changes. The key is to focus on the ...