Answer
The sample mean ($\bar x$) is an unbiased estimator of population mean (μ), as μ = ($\bar x$), and it does not take into consideration the size of the sample and the population. Hence, the mean will always be the same no matter what the size of the sample is.
Work Step by Step
The sample mean ($\bar x$) is an unbiased estimator of population mean (μ), as μ = ($\bar x$), and it does not take into consideration the size of the sample and the population. Hence, the mean will always be the same no matter what the size of the sample is.
