The mean is the most commonly used average. To find the mean of a list of numbers, add them all together and divide by how many numbers there are: \(\text{mean} = \frac{\text{sum of all the ...

The mean is the most commonly used measure of average. To find the mean of a list of numbers, add them all together and divide by how many numbers there are: \(\text{mean} = \frac{\text{sum of all ...

Learn the difference between the standard error of the mean and the standard deviation and how each is used in statistics and finance.