Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 2 - Frequency Distributions and Graphs - 2-2 Histograms, Frequency Polygons, and Ogives - Exercises 2-2 - Page 67: 16


The following figure shows the histogram, frequency polygon, and ogive using relative frequencies.

Work Step by Step

First calculate relative frequency for each class by dividing each given frequency by the total (31). Next determine the mid-point of each class limit, and then calculate the cumulative frequency at each point. The results are all shown in the figure above.
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