PSYCH 300

refers to a set of techniques for summarizing and displaying data. An alternative to the mean is the . The of a distribution is the extent to which the scores vary around their central tendency. The location of a score within its distribution can be described using percentile ranks or . It is also important to be able to describe the strength of a statistical relationship, which is often referred to as the . To compare two means, the most common null hypothesis test is the . A is a statist...