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: 13

Answer

125

Work Step by Step

We use the standard equation for average, where x is the unknown value. $(100+121+105+113+108+x)/6 = 112 \\ (100+121+105+113+108+x) = 672 \\ x = 125$
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