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
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 10 - Statistics - Review Exercises - Page 750: 27
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
