MATH IN OUR WORLD (VALUE EDITION)
4th Edition
ISBN: 9781266216855
Author: sobecki
Publisher: MCG
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Chapter 11.1, Problem 15E
For Exercises 11–16, classify each sample as random, systematic, stratified, or cluster and explain your answer.
15. Mail carriers of a large city are divided into four groups according to gender (male or female) and according to whether they walk or ride on their routes. Then 10 are selected from each group and interviewed to determine whether they have been bitten by a dog in the last year.
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