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 14.1 - Assess Your Understanding - Applying the Concepts - Page 689: 12b

Answer

$s_e=1.424$

Work Step by Step

$ŷ =−0.0764x+61.3687$ $s_e=\sqrt {\frac{Σ(y_i-ŷ_i)^2}{n-2}}=\sqrt {\frac{[18.982-(−0.0764\times545+61.3687)]^2+[17.967-(−0.0764\times595+61.3687)]^2+[12.218-(−0.0764\times640+61.3687)]^2+[8.612-(−0.0764\times675+61.3687)]^2+[6.680-(−0.0764\times705+61.3687)]^2+[5.150-(−0.0764\times750+61.3687)]^2}{6-2}}=1.424$

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