Answer
$Mean=79.2$
Work Step by Step
The new scores are: 69, 74, 75, 79, and 99.
$Mean=\frac{69+74+75+79+99}{5}=79.2$
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 3.1 - Assess Your Understanding - Applying the Concepts - Page 140: 40d
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