The symbols of µ and σ represent the mean and standard deviation of sampling distribution for a population.
What is the mean μ of the sampling distribution?
The population mean is known to be μ (mu) and the population standard deviation is known to be σ (sigma) and the mean of all sample means is known to be (x-bars) which is the population mean μ (mu).
Note that The symbols of µ and σ represent the mean and standard deviation of sampling distribution for a population.
