Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 10 - Statistics - Review Exercises: 27

Answer

51.05

Work Step by Step

$\frac{(3)(42)+(7)(47)+(2)(53)+(3)(55)+(5)(59)}{3+7+2+3+5}$=$\frac{126+329+106+165+295}{20}$=$\frac{1021}{20}$=51.05
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