1. Chapter 3 Examining Relationships
Statistics 101
Chapter 3
Examining Relationships

2. Section 3.1 Scatterplots
Response Variable: measures an outcome of a study
Dependent variables
Explanatory variable: attempts to explain the observed outcomes
Independent variables

3. Scatterplots
Show the relationship between two quantitative variables measured on the same individuals (SAT v. ACT)

4. Graphing Scatterplots
Plot explanatory on horizontal axis
Plot response variable on vertical axis
If there is not explanatory-response distinction, either variable can go on the horizontal axis.