Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 10 - Statistics - Review Exercises - Page 750: 28



Work Step by Step

$mean=\frac{243\times1+247\times3+251\times5+255\times7+263\times4+271\times2+279\times2}{1+3+5+7+4+2+2}$ $mean=\frac{243+741+1255+1785+1052+542+558}{24}$ $mean=\frac{6176}{24} =257.333333333333333$ We can round this result to the nearest hundredth, which is 257.33
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