Frequency distributions

Introduction to the concept of a distribution and how it relates to different types of variables. Formally defining a distribution and providing examples with graphical displays.

Using party affiliation data from the General Social Survey 2021 as an example to visualize distributions with different graphical displays like bar charts and histograms.

Explaining how to calculate frequencies, relative frequencies, and percentages in a distribution using the example of party affiliation data.

Discussing cumulative frequency distributions and percentiles to analyze data using real examples for better understanding.

Explaining the use of frequency polygons and histograms to visualize continuous distributions with examples and insights into their differences and applications.

Detailing the box plot visualization method to display data distribution characteristics, including median, interquartile range, and outliers, using a socioeconomic index example.

Exploration of the cumulative polygon method to represent the cumulative frequency distribution of a variable and its significance in analyzing data.

Understanding different shapes of distributions such as symmetric, skewed right, and bimodal distributions with examples and explanations of their characteristics.