Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 11 Data Analysis and Statistics - Mixed Review of Problem Solving - Lessons 11.1-11.2 - Page 756: 2a


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Work Step by Step

The mean, median, mode, range, and standard deviation of the data set when the outlier is included: $\bar x=\frac{67.6+68.2+68.9+71.2+72.9+74.5+77.9+77.9+80.8+81.3+82.2+82.6}{12}=75.5\\ Median =\frac{74.5+77.9}{2}=76.2\\Mode = 77.9\\Range=82.6-67.6=15\\\sigma =5.43$
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