Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 10 - Statistics - 10.3 Frequency Distributions and Histograms - 10.3 Exercises - Page 730: 15


Class interval is the range that describes a certain category of values, for example, ages 16-25 is a class interval. Class frequency is the amount of data within a class interval, for example, there might be 10 people that in the interval of ages 16-25. The class intervals create the x-axis in a histogram and the class frequency creates the y-axis.

Work Step by Step

Use the definitions of class interval and frequency to explain what they are and how they are used in making a histogram.
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