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Ch 28: Measurement & Data

About This Chapter

This informative chapter includes short video lessons on measurements and data for you to use as you prepare for an exam or work ahead in class. You can access these learning resources 24 hours a day on any mobile device or computer for completely flexible studying at your own pace.

Measurement & Data - Chapter Summary

In this chapter, our helpful instructors cover measurements and data for your review. When you work through these lessons, you'll understand the definition and principles of measurement, as well as different kinds of data, their definitions and examples of each. This chapter is designed to assist you in completing the following:

  • Convert standard units of measure and units in the metric system
  • Perform basic operations with measurements
  • Explain mean absolute deviation with examples
  • Detail the formulas used for quartiles and the interquartile range
  • Provide examples of numerical data
  • Define categorical data and discuss its analysis
  • Differentiate between nominal, interval, ordinal and ratio measurements

We've made it easy to study these concepts with the mobile-friendly lessons you'll find in this chapter. Our video lessons are quickly navigable and are generally less than ten minutes long for ease of understanding. Keep tabs on your progress through the Dashboard and submit any questions that you have to one of our helpful instructors.

9 Lessons in Chapter 28: Measurement & Data
Test your knowledge with a 30-question chapter practice test
Understanding Measurement: Definition & Principles

1. Understanding Measurement: Definition & Principles

After reading this lesson, you'll have the necessary information you need about measurement. You'll learn about how you can use iteration to help you measure and how measurement is both additive and invariant.

How to Convert Units in the Metric System

2. How to Convert Units in the Metric System

If you can make dinner, you can convert units in the metric system. It's that easy! In this lesson, you'll learn about the three key things you'll need to perform conversions.

How to Convert Standard Units of Measure

3. How to Convert Standard Units of Measure

The United States uses pounds, miles, and Fahrenheit for measurements, but the rest of the world uses the metric system. This video lesson will help you to convert from one to the other easily, so you can understand kilometers and kilograms, too.

How to Perform Basic Operations with Measurements

4. How to Perform Basic Operations with Measurements

In this video lesson, you will learn how measurements are very much like variables when it comes to adding, subtracting, multiplying, and dividing them. You will also see examples of how they are done.

What is Mean Absolute Deviation? - Definition & Examples

5. What is Mean Absolute Deviation? - Definition & Examples

In this lesson, we will first learn how to use the mean absolute deviation to find not only the average of a set of numbers but the average distance each number is from the average number. Then, we will show a step-by-step, real-world problem, to practice your skills.

Quartiles & the Interquartile Range: Definition, Formulate & Examples

6. Quartiles & the Interquartile Range: Definition, Formulate & Examples

Quartiles and the interquartile range can be used to group and analyze data sets. In this lesson, learn the definition and steps for finding the quartiles and interquartile range for a given data set.

What is Numerical Data? - Definition & Examples

7. What is Numerical Data? - Definition & Examples

You will find numerical data in mathematics and in science. Sometimes, it can get confusing to identify. In this lesson, you will learn about numerical data and how it is used.

Categorical Data: Definition, Analysis & Examples

8. Categorical Data: Definition, Analysis & Examples

Categorical data is often used in mathematical and scientific data collection. In this lesson, you will learn the definition of categorical data and analyze examples. When you've finished, review what you've learned with a short quiz.

Nominal, Ordinal, Interval & Ratio Measurements: Definition & Examples

9. Nominal, Ordinal, Interval & Ratio Measurements: Definition & Examples

Different types of data can be grouped and measured in different ways. In this lesson, you will learn about nominal, ordinal, interval, and ratio measurements.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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