Prealgebra (7th Edition)

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

Chapter 5 - Review: 87


The mean is 24500. The median is 20000. The mode is 20000.

Work Step by Step

14000, 20000, 12000, 20000, 36000, 45000 To find the mean, sum the numbers and divide by the count of numbers. $mean=(14000+20000+12000+20000+36000+45000)\div6=147000\div6=24500$ The median is the number in the center when the numbers are written in order. Order the numbers from smallest to largest. $12000, 14000, \underline{20000, 20000}, 36000, 45000$ 20000 is in the center so is the median. 20000 is the only number that repeats so it is the mode.
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