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 3 - Data Description - 3-2 Measures of Variation - Exercises 3-2 - Page 143: 11

Answer

Triplets, range, 1233, variance, 198612.7, standard deviation 445.65, Quadruplets, range, 167, variance, 3952.9, standard deviation 62.9, Quintuplets range, 45 variance, 180.8 standard deviation 13.4 The triplets is the most variable.

Work Step by Step

1st Triplets, 2nd Quadruplets, 3rd Quintuplets range, 1233, 167, 45 variance, 198612.7, 3952.9, 180.8 standard deviation 445.65, 62.9, 13.4 Clearly the set of data for the triplets is the most variable because it has larger range, variance, and standard deviation values.
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