Chapter 1: Displaying Describing Data

This set covers foundational concepts from the Chapter 1 lecture on displaying and describing data, specifically focusing on variable types and categorical data representation.

Variable

Something you can measure from an individual, such as height or eye color.

Categorical variables

A type of variable that measures something with categories, such as favorite color.

Counts (frequencies)

A way to display categorical variables by showing the number of individuals in each category.

Proportion (relative frequency)

A way to display categorical variables by showing the relative frequency of individuals in each category.

Bar graph

A display method used for categorical variables.

Pie chart

A display method used for categorical variables.

Side-by-side bar graphs

A specific type of bar graph used to display categorical variables.

Segmented bar graphs

A specific type of bar graph used to display categorical variables.