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carlo123
carlo123
25.01.2020 • 
Mathematics

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. 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. b. 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. 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? " select from the following 1. response 2. undercoverage 3. self selection 4. non response

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