Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 12 - Data Analysis and Probability - 12-2 Frequency and Histograms - Practice and Problem-Solving Exercises - Page 724: 18


Cumulative frequency table

Work Step by Step

To make a cumulative frequency table you need to know the number of observation that lies above a data set value. In this dataset, the frequency of 1-3 miles is 13 so the cumu. freq would be 13 because it is the only frequency that happened. The frequency of 4-6 would be 5 and the cumu. freq would be 18 because you add the previous cumu. freq and the new frequency together. In 7-9 miles the frequency would be 2 and the cumu. freq would be 20. In 10-12 miles, the frequency would be 2 and the cumu.freq would be 22.
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