About This Chapter
Introduction to Categorical Data - Chapter Summary
Refresh your knowledge of categorical data or learn something new in these short, professionally-designed lessons. All of our study materials are accessible 24 hours a day on your mobile phone, tablet or computer for completely flexible study. It's easy to go back and review or jump ahead to a specific topic in any one of our video lessons by using the timeline feature. If you like to study offline, our printable lesson transcripts highlight key points and topics and make handy study guides. After completing this chapter, you will be ready to do the following:
- Define and share examples of categorial data
- Explain why data tables are great for summarizing categorical data
- Detail the process of interpreting graphical representations
- Provide the definition and examples of a line graph
- List types and examples of bar graphs
- Exhibit knowledge of graphs and charts in Excel
- Discuss the importance and uses of graphs and charts in business
1. What is Categorical Data? - Definition & Examples
Categorical data is one of two types of data that you can collect when conducting research. This lesson will teach you how to understand and use categorical data.
2. Summarizing Categorical Data using Tables
Watch this video lesson to find out why data tables are an excellent way to summarize your categorical data. Learn what you need to do to your data before constructing a table and the two ways you can show your data.
3. Interpreting Graphical Representations
After watching this video lesson, you will be able to quickly and easily read and interpret any line and bar graph. You will be able to gather important information by just looking at one of these graphs.
4. What is a Line Graph? - Definition & Examples
In this lesson, we'll explore the function and examples of a line graph. Then, you will learn to create questions and interpret data from line graphs. A brief quiz follows.
5. Bar Graph: Definition, Types & Examples
A bar graph is a mathematical representation of data. In this lesson, you will learn the definition of a bar graph, including how to recognize the different types of bar graphs. You will also learn how to create bar graphs.
6. Excel Charts & Graphs: Summarizing Data Visually
Charts and graphs help to make information easier to understand. When you have a worksheet full of numbers, inserting a chart will help the viewers digest comparisons and trends. This lesson will introduce you to charts and graphs in Excel.
7. Graphs & Charts in Business: Importance, Use & Examples
After reading this lesson, you'll understand why graphs and charts are used so often in business and how they make the conveyance of information much easier and clearer.
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Other chapters within the Business 212: Business Statistics course
- Introduction to Business Statistics
- Descriptive Statistics: Measurement
- Descriptive Statistics: Representation
- Measures of Dispersion in Business
- Measures of Association & Correlation in Business
- Probability for Business Statistics
- Probability Distributions for Business Statistics
- Sampling Methods for Statistics
- Confidence Intervals
- Hypothesis Testing in Business
- Analysis of Variance
- Nonparametric Methods in Statistics
- Regression Analysis
- Understanding Business Forecasting
- Using Control Charts in Business