Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 11 - Data Analysis and Displays - Cumulative Assessment - Page 629: 6

Answer

C

Work Step by Step

Notice from the figure that the lower quartiles is 4 and the upper quartiles is 7. The interquartile range is the difference between the upper and lower quartiles. The interquartile range = 7 - 4 = 3 This means that the middle half of the presentation lengths vary by no more than 3 minutes.
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