Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 10 - Statistics - Mixed Review Exercises - Page 751: 12

Answer

The median is 21.

Work Step by Step

The median is the number that appears at the midpoint of an ordered list. Write the list from lowest to highest value. 2, 3, 9, 12, 17, 19, 23, 27, 35, 39, 46, 51 This list has 12 numbers, so the midpoint is between the 6th and 7th numbers. The average of these 2 numbers is the mean. $m=(19+23)\div2=42\div2=21$
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