Voluntary Response
Systematic
Biased
Population Proportion
100

Stacy went to  park and ask people if they wanted to do a survey. 


Would this be a example of voluntary response   

Yes 

100

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   

100

Jamie went to  10 different fast food restaurant and ask what there favorite fast food was 


Would this be a example of biased  

 NO

100

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

2

M
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n
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