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 - Exercise 2-1 - Page 51: 2

Answer

1. categorical 2. grouped 3. ungrouped

Work Step by Step

1. Categorical frequency distribution tables are used when the data is nominal. Nominal data is classified into mutually exclusive categories with no overlap where no order or ranking can be implied. 2. Grouped frequency distribution tables are used when the data can be ordered and the range is large. 3. Ungrouped frequency distribution tables are used when the data can be ordered and the range is small enough for each class to represent a single unit.
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