What is random digit dialing and why is it used

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1. What is random-digit dialing and why is it used?

2. How does a compiled mailing list differ from a response mailing list?

3. Explain what is meant by sampling error, response error, and nonresponse error in survey research.

4. A research firm finds that only 33% of those who reported buying Kellogg's Frosted Flakes had actually purchased the product during the period monitored. What type of survey research error does this represent?

Reference no: EM131403802

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