Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 3 - Section 3.1 - Measures of Center for Ungrouped Data - Exercises - Page 88: 3.9

Answer

mean = 3 median = 3.5 no mode

Work Step by Step

$mean = [ (-9) + (-7) + 0 + 2 + 5 + 7 + 10 + 16 ]\div8 = 24\div8 = 3$ The median will be given by the average of the fourth and fifth values as follows: $Median = ( 2 + 5 )\div2 = 3.5$ This data set contains no mode because each value in this data set occurs only once.
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