Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 5 - Review: 117

Answer

the mean is $619.1\overline{6}$ the median is 647.5 the mode is 327

Work Step by Step

952, 327, 566, 814, 327, 729 Find the mean by summing the numbers and dividing by the count. $(952+ 327+ 566+ 814+ 327+ 729)\div6=3715\div6=619.1\overline{6}$ Find the median by ordering the numbers. The median is the center number. $327, 327, \underline{566, 729,} 814, 952$ Since there are 2 center numbers, the median is the average of the two. $(566+729)\div2=1295\div2=647.5$ Since 327 is the only number than appears more than one time, 327 is the mode.
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