Answer
$2.97~dollars~per~pound$
Work Step by Step
$x̅_w=\frac{Σw_ix_i}{Σw_i}=\frac{4\times3.50+3\times2.75+2\times2.25}{4+3+2}=\frac{26.75}{9}=2.97$
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 3 - Section 3.3 - Assess Your Understanding - Applying the Concepts - Page 163: 11
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