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What’s Wrong? A survey included 4230 responses from

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

Solution for problem 3RE Chapter 1.4

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 3RE

What’s Wrong? A survey included 4230 responses from Internet users who decided to respond to a question posted by America OnLine (AOL). Here is the question: How often do you use credit cards for purchases? Among the respondents, 67% said that they used credit cards frequently. What is wrong with this survey?

Step-by-Step Solution:

Answer :

Step 1 of 1:

The source is questionable because the face is often a body part that is chosen for laser treatment. Therefore, we may suspect that the source has given these adults some sort of royalties for saying that their favorite body part is the face.OR

The sample is a voluntary response sample, so the results are questionable.

Step 2 of 1

Chapter 1.4, Problem 3RE is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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What’s Wrong? A survey included 4230 responses from