The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 2 - Describing Distributions with Numbers - Chapter 2 Exercises - Page 67: 2.27

Answer

The median would be at #425, while the quartiles would be at #213 and #637.

Work Step by Step

With 849 data points, the median would be the middle data point. The middle data point is #425. Q1 would be the median between #1 and #425; thus the middle data point would be at #213. Q3 would be the median between #425 and #849; thus the middle data point would be at #637.
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