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A nationwide telephone survey used random digit dialing (one kind of telephone survey).Out of 1507 respondents, 3% said they had been homeless at some point in the last five years.Is there selection bias in this 3% estimate? Which way does the bias go?

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Answer

The answer and procedures of the exercise are attached in the following archives.

Step-by-step explanation:

You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.  

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