to or at a source, origin, center, or the like: to follow a stream up to its source. 7. to or at a higher point or degree, as of rank, size, value, pitch, loudness, brightness, maturity, or speed: to move up in a firm; to pump up a tire; to turn a lantern up; Prices are going up.
What is 'Standard Deviation'. Standard deviation is a measure of the dispersion of a set of data from its mean. If the data points are further from the mean, there is higher deviation within the data set. Standard deviation is calculated as the square root of variance by determining the variation between each data point relative to the mean.
ÏM = standard error of the mean Ï = the standard deviation of the original distribution N = the sample size âN = Root of the sample size. The standard error of the mean, also called the standard deviation of the mean, is a method used to estimate the standard deviation of a sampling distribution.To understand this, first we need to understand why a sampling distribution is required.he standard error of the mean, also called the standard deviation of the mean, is a method used to estimate the standard deviation of a sampling distribution. To understand this, first we need to understand why a sampling distribution is required.