PADP 7120 Study Guide - Spring 2019, Comprehensive Midterm Notes - Dependent And Independent Variables, Unimodality, History Of The United States Republican Party

• School: University of Georgia
• Department: Public Administration and Policy
• Course: PADP 7120
• Professor: Anastasopoulos

Document Summary

Lecture 1 : introduction to data & statistics: what is data, data > any information that is collected through observation. Can be numerical, text-based, or image-based: designing research studies. Research design > plan which specifies how you will gather data & for what purposes. Design determines who is involved in the study. Selection bias > bias in a study due to the type of people selected into that study. What is statistics: statistics > field of mathematical inquiry concerned with collecting information, history. Originally collection of information about the state late 18th century, Statistik german word, science of the state . Evolved into specialized area of mathematical analysis. Populations & samples: major goal of statistics > make inferences about or describe populations, population > whole group being studied, sample > group that data is collected from to make inferences about the general population. Variables & measurement: quantitative & categorical/qualitative > relates to the qualities of the variable.