# Ch 21: Calculating & Presenting Statistics

Watch our entertaining video lessons to learn all about calculations and presentations of statistics. Use the short, self-assessment quizzes with each lesson to gauge your progress.

## Calculating & Presenting Statistics - Chapter Summary and Learning Objectives

Never get scared off by the term 'statistics' again! Expert instructors will walk you through lessons dealing with the measures of central tendency, such as mean, median, mode and range. You can also practice reading data in tables, schedules, bar graphs and pie charts. Take the quick quiz that accompanies each lesson to be sure you're on track. When you've finished this chapter, you'll be well versed in the following topics:

• Dispersion and skewness
• Properties and characteristics of normal distribution
• Regression analysis
• Understanding data in tables, schedules, graphs and charts

Video Objective
How to Calculate Mean, Median, Mode & Range Learn to calculate measures of central tendencies.
Measures of Dispersion and Skewness Find out how the statistical characteristics of dispersion and skewness can be used to describe data.
Normal Distribution: Definition, Properties, Characteristics & Example Discover why the bell curve is an important distribution in studying data.
Regression Analysis: Definition & Examples Examine how regression analysis can help you analyze info from surveys and observations.
Organizing and Understanding Data with Tables & Schedules Compare the types of information that may be displayed in tables and schedules.
Understanding Bar Graphs and Pie Charts Take a look at how data can be compared in bar graphs and pie charts.

6 Lessons in Chapter 21: Calculating & Presenting Statistics
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

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