Picture Graphs, Bar Graphs, and Histograms

This lecture series describes other ways to represent data on a graph: pictographs and bar graphs. A histogram is a type of bar graph. Watch the videos and complete the interactive exercises.

Identifying individuals, variables and categorical variables in a data set


Source: Khan Academy, https://www.khanacademy.org/math/statistics-probability/analyzing-categorical-data/one-categorical-variable/v/identifying-individuals-variables-and-categorical-variables-in-a-data-set?modal=1
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