Statistics: Informed Decisions Using Data (4th Edition)

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 722: 23a

Answer

$ŷ =8.341~years$

Work Step by Step

$ŷ =9.063+0.386x_1+1.268x_2+0.676x_3-0.913x_4-0.175x_3x_4$ For a female, that is, $x_1=0$ and $x_2=28$, $x_3=8$, $x_4=18$: $ŷ =9.063+0.386\times0+1.268\times28+0.676\times8-0.913\times18-0.175\times8\times18=8.341$
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