In order to test a hypothesis in traditional (“frequentist”) statistics, you posit an alternative called the “null hypothesis”. The null hypothesis should be chosen so as to represent the default ...

Non-parametric tests are used when standard assumptions are not available. These tests don’t rely on distributions, often ...

In Section 1 the nature of statistical confidentiality is explored, i.e., its essential role in the collection of data by statistical offices, its relationship to privacy and the need for increased ...