Lesson # 13

Front 1

Univariate Data

Back 1

One measurement on each unit.

Front 2

Bivaraite Data

Back 2

Data consisting on two measurements (two variables) on each unit in a study
1. Study relationship b/w two variables.
2. The two variables are the explanatory and response variables. Response denoted by Y and Explanatory is denoted by X.
3.Sometimes can't denote response or explanatory variables.
4. Variables can both be quantitative or categorical or one of each.

Front 3

Note

Back 3

Our study of bivariate data will consist only of variables that are both quantitative or both categorical

Front 4

Analyzing bivariate data steps

Back 4

1. Plot data with a sactterplot
2. Computenumber summary called a correlation coefficient
3. Model linear relation with a straight line called the regression line

Front 5

Note

Back 5

Explanatory variable also called Independent varivable
Respnse variable also called dependent vairable