For each of the following situations, choose which type of bias we should be mos
ID: 3044622 • Letter: F
Question
For each of the following situations, choose which type of bias we should be most concerned about:
A survey about legalizing marijuana is sent out to a randomly selected sample of BC residents by mail and 4.7% of the surveys are returned:
Convenience sampling bias
Undercoverage
Sampling error
Stratified random sample
Voluntary response bias
Bad sampling frame
Nonresponse bias(None of the above)
A pipeline company runs an ad in a newspaper asking people to sign in to their website to record their opinions about pipeline expansion:
Convenience sampling bias
Undercoverage
Sampling error
Stratified random sample
Voluntary response bias
Bad sampling frame
Nonresponse bias(None of the above)
A public opinion survey selects names from a city telephone
Convenience sampling bias
Undercoverage
Sampling error
Stratified random sample
Voluntary response bias
Bad sampling frame
Nonresponse bias(None of the above)
A marketing survey from a Vancouver-based clothing company that employees are asked to give to their friends and families:
Convenience sampling bias
Undercoverage
Sampling error
Stratified random sample
Voluntary response bias
Bad sampling frame
Nonresponse bias(None of the above)
Explanation / Answer
A survey about legalizing marijuana is sent out to a randomly selected sample of BC residents by mail and 4.7% of the surveys are returned: Voluntary sample bias. People interested in legalizing itwill respond.
2)Nonresponse bias
3)
Bad sampling frame
4)Convenience sampling bias
4)
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