Types of Sampling Methods

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      Lesson summary:

      The video is about sampling in statistics and the types of sampling methods. It mentions that a population is the group of things we want information about and a sample is a part of the population that is taken to examine and draw conclusions from. There are two types of biased samples: convenient and voluntary response samples, in which some parts of the population are favored over others. The video then introduces three types of unbiased samples: simple random sampling, stratified random sampling and multistage sampling. Simple random sampling is the most basic type where each individual has an equal chance of being selected. Stratified random sampling divides the population into similar groups and takes an SRS from each group to get the full sample. Multistage sampling uses a combination of two or more simple random samples to get the actual sample. The video also mentions the use of random digits table to pick things randomly.

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