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# What is sampling in maths?

Updated: 9/25/2023

Wiki User

7y ago

In statistics, sampling is a process of collecting information from a subset of a population so as to reach conclusions about the whole population. This method is used because collecting information from the whole population is likely to be expensive and time consuming, and in some cases pointless. For example, if you tested the life expectancy of all light bulbs, you would have none left to sell!

Wiki User

7y ago

Wiki User

7y ago

It means to take samples. This is often done in statistics; for example, in many cases you can't reasonably interview every single person on Earth, or in a country, so you take samples, and interview a few people. This has to be done carefully, to be reasonably sure that the sample is representative of the entire larger population.

Wiki User

10y ago

It is a subset of the population in a study.

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Related questions

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They include: Simple random sampling, Systematic sampling, Stratified sampling, Quota sampling, and Cluster sampling.

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You are correct; convenience sampling is not random sampling.

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What is the difference between quota sampling and cluster sampling

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What is a dry sampling?

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