If the sample size keeps getting larger and larger and finally equals the size of the population,there would be no error in predicting the population mean because the sample size and the size of the population would be the same.

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Quizplus · Accepted Answer

When the sample size equals the size of the population, it is called a census. In this case, the sample represents the entire population and there would be no sampling error in predicting the population mean. However, there may still be other sources of error, such as measurement error or response bias.

If the Sample Size Keeps Getting Larger and Larger and Finally