In the early 20 th century, Guinness breweries in Dublin had a policy of hiring the best graduates from Oxford and Cambridge to improve their industrial processes. At the time, it was considered a ...

It can be difficult to know what analysis to perform on your dataset. This page is designed to help you. Finally, you will need to know about some specific analyses, what they are designed to do and ...

Alternative Hypothesis: (a.k.a. H 1) a statement (about a population parameter) that is contrary to the null hypothesis. Usually this is what a researcher is trying to prove. Confidence Coefficient: ...

What is a one sample t test? The t test is a commonly used hypothesis test in statistics that allows us to compare the mean value of a group of sampled data with some hypothesized value, usually a ...

Post-hoc testing is carried out after a statistical analysis where you have performed multiple significance tests, ‘post-hoc’ coming from the Latin “after this”. Post-hoc analysis represents a way to ...