Quota sampling assumes that the answers of a particular demographic group such as white, 18-to-25-year-old Internet users can be projected to describe the opinions of white 18-to-25-year-olds at large.
Quota sampling means that you obtain enough answers so that you have a representative picture of a wider demographic.
Quota sampling is where you blanket poll the entire population and ignore demographics.
There is a woman walking.
Greuze looked at her.
There was a roaring sound of a second encore from the stage.
The man is riding a bike.
It is all splash with no actual substance.
A boy takes a nap.