Voluntary Response
Stacy went to park and ask people if they wanted to do a survey.
Would this be a example of voluntary response
Yes
If Chris went to a movie and asked every tenth person what movie are there going to see.
Is this a example of systematic
Yes
Jamie went to 10 different fast food restaurant and ask what there favorite fast food was
Would this be a example of biased
NO
1,658 people applied for a job. The boss interviewed 222 out of the 1,658. And a employed interviewed 765
set up the two proportion
1
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