Simpling Method
I would like to survey the number of people who have visited a supermarket in the last two days. I will sample 100 people who have visited a supermarket.
Random Sample: I would randomly put everyones name in a box and pick. So that everyone has an equal chance of being chosen.
Convenience Sample: I would sample the first 50 people that walk near the fruit corner.
Biased Sample: I would sample all the people coming out of a Chinese supermarket.
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