The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 9 - Producing Data: Experiments - Chapter 9 Exercises - Page 247: 9.31

Answer

This is an experiment. The response variable is the completion of the interview while the explanatory variable is the amount of identification she revealed.

Work Step by Step

This assumes the interviewer randomly selected the treatments she gave to every household she calls.
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