Answer
$0.224$
Work Step by Step
The mean is given by
$$
\frac{1}{12}\left( 0.018+0.115+ 0.052+ 0.198+ 0.222+ 0.189+ 0.228+ 0.346+
0.196+ 0.258+ 0.337+ 0.532 \right)\\
=0.224
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 15 - Section 15.5 - Mean Measurement - Exercise - Page 515: 4
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