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 - 2-1 Organizing Data - Exercises 2-1 - Page 52: 19


(title): Age of Declaration Signers (write age, freq, and cf side by side and numbers in order going down) age: 27-33, 34-40, 41-47, 48-54, 55-61, 62-68, 69-75 freq: 7,14,15,11,3,3,2 cf: 7,31,39,45,49,49,50

Work Step by Step

"construct a grouped frequency distribution and a cumulative frequency distribution using 7 classes" to find the frequency, add up all of the data into each of its class limits' to find the cumulative frequency, you take the frequency and add them up onto each other going down.
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