Statistics: Informed Decisions Using Data (4th Edition)

by Sullivan III, Michael

Published by Pearson

ISBN 10: 0321757270

ISBN 13: 978-0-32175-727-2

Chapter 14 - Section 14.3 - Assess Your Understanding - Applying the Concepts - Page 723: 27h

Answer

$ŷ=4207.4~psi$

Work Step by Step

$ŷ=3891-296x_1+0.552x_2$ If the slump is 3.5 inches and the 7-day strength is 2450 psi, that is, $x_1=3.5$ and $x_2=2450$: $ŷ=3891-296\times3.5+0.552\times2450=4207.4$

Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.

GradeSaver will pay $15 for your literature essays

GradeSaver will pay $25 for your college application essays

GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical

GradeSaver will pay $10 for your Community Note contributions