# Ch 11: Categorical Data

Discover how to organize, summarize and display data in a variety of formats in this chapter. With these video lessons and quizzes, you'll gain an understanding of how to work with categorical data.

## Categorical Data - Chapter Summary

The lessons in this chapter cover categorical data and the ways to analyze, display and summarize it. You'll learn to use a variety of formats to display data, including tables, scatter plots, stem-and-leaf plots, box-and-whisker plots, histograms and pie charts. Another lesson will teach you how to support arguments, draw conclusions and make predictions using summary statistics and graphs to interpret data.

You'll learn various techniques of analyzing and summarizing bi-variate data, and gain an understanding of working with proportions. By the end of this chapter, you should be familiar with the following:

• How to summarize categorical data using tables
• Pie charts and bar graphs
• Frequency and relative frequency tables
• How to calculate percent increase with frequency and relative frequency tables
• How to use univariate data to make arguments and predictions
• Bivariate data and two-way tables
• Joint, marginal and conditional frequencies
• Confidence intervals and hypothesis testing for proportions

These concise, easy-to-follow video lessons are taught by instructors who are experts in their fields. They use real world examples to explain their topics, and each lesson has key terms highlighted so they're easy to remember. The multiple-choice quizzes at the end of the videos let you test your knowledge. The questions link back to the video, making it simple to review important passages with having to re-watch the entire lesson.

7 Lessons in Chapter 11: Categorical Data
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

### Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.