Answer
$27
Work Step by Step
$\frac{5(12)+6(29)+8(22)+4(28)+6(38)+2(48)}{5+6+8+4+6+2}$=$\frac{60+174+176+112+228+96}{31}$=$\frac{846}{31}$$\approx$27
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 - Test - Page 756: 25
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