Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 2 - Summarizing and Graphing Data - 2-2 Frequency Distributions - Basic Skills and Concepts - Page 51: 2


Approximately 1 or 100%.

Work Step by Step

We can get the variation of a frequency distribution by a relative frequency distribution. In this, each class gets replaced by a relative frequency that we can calculate in the following way: $relative \ frequency \ of \ a \ class=\frac{frequency \ of \ the \ class}{sum \ of \ all \ frequencies}$. Here, the sum of relative frequencies should be approximately 1 or 100%.
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