Standard error definition

by Virgínia Mareco Dr.

Read the definition in the Radiotherapy Dictionary blog: https://radiotherapydictionary.blogspot.pt/2016/11/standard-error-se.html

«These are the SEs for the descriptive statistics. The SE gives some idea about the variability possible in the statistic [1].» It «(...) is a measure of the variability of a statistic. It is an estimate of the standard deviation of a sampling distribution [2].» It «(...) is the standard deviation of the sampling distribution of a statistic, (...) (Everitt BS, 2003, cited in [3]). (...)