PSYC 300 Week 7 Quiz And Answers.

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 statistic that is computed only to help find the p value Statistical significance is not the same as or . testing is a formal approach to deciding whether a statistical relationship in a sample reflects a 3.0/ 3.0 Points real relationship in the population or is just due to chance. The corresponding values in the population are called .