PSYC 3000 Study Guide - Quiz Guide: Aspirin, Statistical Inference, Descriptive Statistics

• School: Carleton University
• Department: Psychology
• Course: PSYC 3000
• Professor: Craig Leth- Steensen

Document Summary

Statistics the art and science of analyzing data. Data the information we gather with experiments and surveys. Statistics are made up of 3 main components: Design planning how to obtain data to answer questions of interest. Description summarizing and analyzing the data that are obtained. Inference making decisions and predictions based on the data for answering the statistical question. Probability framework for quantifying how likely possible outcomes are. Subjects entities that we measure in a study. Population all the subjects we are interested in. Sample a small subset of the population. Descriptive statistics methods for summarizing the collected data through graphs, charts, numbers, etc. Used more when we have data for entire population (ex; census) Main purpose of descriptive statistics is to reduce data to simple summaries without losing much information. Inferential statistics methods of making decisions or predictions about a population based on data obtained from a sample of that population.