Psychology 2850A/B Chapter Notes - Chapter 1: Statistical Parameter, Statistic

• School: Western University
• Department: Psychology
• Course: Psychology 2850A/B
• Professor: Tenk

Document Summary

Refers to a set of mathematical procedures for organizing, summarizing, and interpreting information. The set of all the individuals of interest in a particular study. A set of individuals selected from a population, usually intended to represent the population in a research study. A characteristic or condition that changes or has different values for different individuals. Datum (singular) is a single measurement or observation and is commonly called a score or raw score. A parameter is usually derived from measurements of the individuals in a population. A value, usually a numerical value, that describes a sample. A statistic is usually derived from measurements of the individuals in the sample. Are statistical procedures used to summarize, organize and simplify data. Consist of techniques that allow us to study samples and then make generalizations about the populations from which they are selected. The naturally occurring discrepancy, or error, that exists between a sample statistic and the corresponding population parameter.