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Sampling Method. determine whether the sampling method

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 10BSC Chapter 1.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 10BSC

Problem 10BSC

 

Sampling Method. determine whether the sampling method appears to be sound or is flawed.

Text Messaging In a survey of 109 subjects, each was asked to indicate how many text messages they send and receive each day. The sample consisted of those who chose to respond to the request posted on the StatCrunch Web site.

Step-by-Step Solution:

Answer

Step 1 of 1 :

The sampling method is flawed.

The sampling method introduces the possibility of nonresponse because the sample did not count those subjects who did not choose to respond.

This nonresponse further leads to missing data as a result of some subjects never responding.OR

The sample is a voluntary response sample and is therefore flawed.

Step 2 of 1

Chapter 1.2, Problem 10BSC is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Sampling Method. determine whether the sampling method