Identify the type of sampling bias guaranteed to occur in cach of the sampling s

Question

Identify the type of sampling bias guaranteed to occur in cach of the sampling schemes, based on the information provided Some sampling schemes may incur multiple types of bias. A political poll is conducted by contacting people on landline phones. The pollsters did not keep track of how many people they contacted who did not respond. A political poll is administered by contacting people on landline phones. The pollsters contacted 5000 households, and 1255 individuals agreed to speak with the caller A political poll is conducted by asking the listeners of a radio program to call in. Scroll A political poll asks the question, "If you found out that Candidate A was arrested when he was younger, would that change your opinion of how immoral Candidate A is?"

Explanation / Answer

1st) as people who do not have landline ; have not been included -- Undercoverage

2nd) non response

3rd) self -selection

4th )response

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