The sample mean is a random variable and as a random variable, the sample mean has a probability distribution, a mean, and a standard deviation. There are formulas that relate the mean and standard de...The sample mean is a random variable and as a random variable, the sample mean has a probability distribution, a mean, and a standard deviation. There are formulas that relate the mean and standard deviation of the sample mean to the mean and standard deviation of the population from which the sample is drawn.
The sample mean is a random variable and as a random variable, the sample mean has a probability distribution, a mean, and a standard deviation. There are formulas that relate the mean and standard de...The sample mean is a random variable and as a random variable, the sample mean has a probability distribution, a mean, and a standard deviation. There are formulas that relate the mean and standard deviation of the sample mean to the mean and standard deviation of the population from which the sample is drawn.