There are two basic types of errors that can occur in hypothesis testing: “Type A or 1 Error” and “Type B or 2 Error.”
It’s important to figure out which question you want to answer. Once you know that, you can develop your null and alternative hypotheses.
Contingency Tables are a 2-way classification table containing frequencies of how often things appear. Used to test for independence.
Process performance metrics are used to measure the current and future value of our processes. Learn Six Sigma metrics you can use.
Data collection is a science, not an art form. Be sure to use rigor and thought before assembling the data that you seek to analyze.