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sample size refers to the collection of data by only a selected size of te population through the process of sample surveys and sampling methods used in collecting data.
what are the two methods of collecting information
The sample is a subset of the population. For example, the population may be all the people at your school. A sample might be 5 people from each class. There are different types of sampling methods. The most commonly used is a simple random sample. When your obtain data from the entire population this is called a census.
A sample is a subset of the population.
The sample is a subset of the population.