Answer
$x̅=381,407~dollars$
Work Step by Step
In MINITAB, enter the Rich values in C1.
Select Stat -> Basic Statistics -> Display Descriptive Statistics
In Variables enter C1 and click in Statistics.
Select "Mean". Click OK.
Click Ok.
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 9 - Section 9.2 - Assess Your Understanding - Applying the Concepts - Page 451: 42c
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