identifying voluntary response samples\nident...

identifying voluntary response samples\nidentify the sampling designs that use voluntary response sampling. check all that apply.\n□ a used car dealer surveys potential customers about the type of car they are interested in so he can plan his future inventory.\n□ a pharmaceutical company advertises for subjects to participate in an online survey about insulin pumps for diabetics.\n□ an online poll is created for sports fans to vote on the winner for the super bowl.\n□ each employee is given a mandatory survey to complete about health benefits.\n□ a census taker randomly calls homes to gather data about household income and family demographics.\n□ after each customer service call, callers are asked to stay on the line to complete a brief satisfaction survey.

Answer

# Answer: - B. A pharmaceutical company advertises for subjects to participate in an online survey about insulin pumps for diabetics. - C. An online poll is created for sports fans to vote on the winner for the Super Bowl. - G. After each customer service call, callers are asked to stay on the line to complete a brief satisfaction survey. # Brief Explanations: Voluntary - response sampling involves individuals choosing on their own to participate. In these cases, people can decide whether to take part in the survey (advertised survey, online poll, optional post - call survey), unlike in mandatory surveys or random calls for data collection.