Answer
$=91.2$
Work Step by Step
The mean of $n$ numbers is the sum of the numbers divided by $n$.
Hence the mean: $\frac{84+90+95+89+98 }{5}=91.2$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 12 - Statistics - Chapter Summary, Review, and Test - Review Exercises - Page 834: 8
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