Assertion: sample's mean | /r/HasProperty | sem
Facets:
Source sentences:
text: If the parameter or the statistic is the mean, it is called the standard error of the mean (SEM).
text: The standard error of the mean (SEM) can be expressed as:
text: 2) the standard error of the mean (SEM) decreases as the sample size increases and as variability of scores decreases