Answer
12.5 Customers
Work Step by Step
$Mean= \frac{sum of products}{total customers}=
\frac{(8 \times 2)+
(11 \times 12)+
(15\times 5)+
(26 \times 1 )}{2+12+5+1}
=$12.45
$\approx12.5$ (Rounded up to Nearest Tenth)
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 10 - Statistics - 10.4 Mean, Median, and Mode - 10.4 Exercises - Page 737: 13
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