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 1 - The Nature of Probability and Statistics - Chapter Quiz: 7

Answer

False

Work Step by Step

The boundary for $6$, $5.9-6.1$ inches, is not correct as it does not include 5.5, 5.6, 5.7, 5.8, 6.2, 6.3,6.4. Each of these values, when rounded off, give 6 and they should therefore be part of the boundary. The boundary of a number is defined as a class in which a data value would be placed before the data value was rounded. Therefore, for $6$ inches, the boundary would instead be $5.5-6.5$ inches.
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