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

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

Answer

Brief Explanations:

  1. Selecting ten - numbered tickets from a bowl with all raffle tickets is a random sample and has no bias.
  2. Asking only the 25 wealthiest customers for a satisfaction survey is biased as it doesn't represent all customers.
  3. Asking fifth - graders about school lunch desserts is not necessarily biased as they are the relevant population for this question.
  4. Pulling over every tenth semi - trailer for weighing is a systematic sample and has no bias.
  5. Asking college students only 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.