which data collections show bias? check all that apply. ten numbered tickets were selected from a bowl…

which data collections show bias? check all that apply. ten numbered tickets were selected from a bowl containing all raffle tickets sold. a bank asked its 25 wealthiest customers to complete a satisfaction survey. fifth - graders were asked what desserts should be served with school lunches. every tenth semi - trailer was pulled over and weighed at the state border. college students at the honors library were asked who they voted for in the last election.

which data collections show bias? check all that apply. ten numbered tickets were selected from a bowl containing all raffle tickets sold. a bank asked its 25 wealthiest customers to complete a satisfaction survey. fifth - graders were asked what desserts should be served with school lunches. every tenth semi - trailer was pulled over and weighed at the state border. college students at the honors library were asked who they voted for in the last election.

Answer

Brief Explanations:

  1. Selecting from all raffle - tickets is a random sample, no bias.
  2. Asking only the wealthiest customers for a satisfaction survey is biased as it doesn't represent all customers.
  3. Asking fifth - graders about school lunch desserts is a relevant sample, no bias.
  4. Pulling over every tenth semi - trailer for weighing is a systematic sample, no bias.
  5. Asking only college students at the honors library about voting is biased as it doesn't represent all college students.

Answer:

B. A bank asked its 25 wealthiest customers to complete a satisfaction survey. E. College students at the honors library were asked who they voted for in the last election.