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: 15

Answer

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

First calculate relative frequency for each class by dividing each given frequency by the total (50). 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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