Answer
Simple Random Sampling.
Bias can be introduced due to the following reasons: -
a. Only persons with phone can be contacted
b. Availability of the reponder
c. Willingness of the responder
Work Step by Step
No steps
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapters 1 & 2 - Cumulative Review - Page 126: 2
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