Hypothesis Testing helps prevent needless expenditure in pursuit of the wrong solution. We take a scientific approach to check assumptions.
When we test a hypothesis, there is a list of hypothesis testing terminology we can use to describe the results. Let’s take a look.
It’s important to figure out which question you want to answer. Once you know that, you can develop your null and alternative hypotheses.
Z scores and process sigma help us know what chance a process has of meeting its target. This article discusses the relation between the two concepts.
Contingency Tables are a 2-way classification table containing frequencies of how often things appear. Used to test for independence.