Answer
$Mean=80~min$
Work Step by Step
$Mean=\frac{48+88+57+109+111+93+71+63}{8}=80$
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 - Review - Test - Page 185: 1a
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