Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 12 - Data Analysis and Probability - 12-3 Measures of Central Tendency and Dispersion - Practice and Problem-Solving Exercises - Page 744: 30


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Work Step by Step

Given: $9x+4x+11x+7x+5x+4x$ Mean: Add all the expressions and divide by 6 $=\frac{ 9x+4x+11x+7x+5x+4x}{6}=6.67x$ Median: $4x+4x+5x+7x+9x+11x$ then $=\frac{5x+7x}{2}=6x$ Mode: $4x$ Range: The difference between the largest and smallest number: $11x-4x=7x$
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