Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 4 - Section 4.4 - Assess Your Understanding - Applying the Concepts - Page 243: 13a

Answer

Total smokers = 582 Dead after 20 years = 139 Proportion of smokers dead after 20 years = 139/582 = 0.239 Total non-smokers = 732 Dead after 20 years = 230 Proportion of non-smokers dead after 20 years = 230/732 = 0.314 According to the given data, this implies that smokers live longer on average.

Work Step by Step

Given above.
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