besause it is cheaper and useful when time is limited
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This type of sampling method is used when data is gathered by sampling individuals from a certain group. For example, a researcher may ask for a sample of 200 students from an ivy league school as a sample for their survey.
There are circumstances when it is important and others when it is not. If, for example, you wanted a sample of all schools in the country, it would make more sense to go for cluster sampling. A lot of market research work will require quota sampling. So the supremacy of a random sample is a myth.
A quota is a goal, or when something is due. Example Sentence: I hope i make my quota this week.
the space used to show a sample promblem.
I wanted to exceed the monthy quota, and get more greetings than the set amount.