Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 1 - Introduction to Statistics - Section 1.3 Data Collection and Experimental Design - Exercises - Page 26: 37

Answer

Strata of households are used in this sampling. These strata are important because they are representative of diverse locations, ethnicity and income brackets.

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