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Pulsating variable stars are more commonly known as pulsars.
Sampling Error
Sampling error describes the difference between a sample statistic used to estimate a population parameter and the actual but unknown value of the parameter.
Sampling Error
The difference between a sample statistic used to estimate a population parameter and the actual but unknown value of the parameter.
Sample
A subset of elements chosen from a larger set (population), typically used to infer properties about the population.
Population
The entire group of individuals or instances about whom the study is concerned or from which the data is drawn.
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