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: 15

Answer

(Title): Eating at Fast Food Resturaunts (write class, freq, and cf side by side and numbers in order going down) class: 0,1,2,3,4,5,6,7 freq: 2,5,24,8,6,4,0,1 cf: 2,7,31,39,45,49,49,50

Work Step by Step

"construct a frequency distribution using 8 classes (0-7)" 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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