Displaying and Describing Categorical Data

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Presentation transcript:

Displaying and Describing Categorical Data Chapter 3 Displaying and Describing Categorical Data

Objectives Understand classification terminology for categorical data. Study presentation methods for categorical data. Begin to utilize technology to present statistics effectively

Data Tables In 1997, an Internet study tracked the favorite pet and sport of K-8 children. Questions asked: Boy or Girl Preferred pet: Dog or Cat? Preferred sport: Football or Basketball? Source: www.learner.org

Frequency Tables

Relative Frequency Table

Pie Chart Note: Pie Charts not available in Fathom, but easy to create in Excel once a frequency distribution is created.

Bar Graph

Ribbon Charts

Contingency Tables

Contingency Tables ctd. Contingency tables show how the individuals are distributed along each variable, contingent on the value of the other variable.

Segmented Bar Charts

Chapter 3 Objectives Understand basic graphical and tabular presentation methods for categorical data. Know an advantage and disadvantage of each compared to other options.