standard error of the mean


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stan·dard er·ror of the mean (SEM),

a statistical index of the probability that a given sample mean is representative of the mean of the population from which the sample was drawn.

standard error of the mean

(in statistics) an indication of how well the mean of a sample estimates the mean of a population. It is measured by the standard deviation of the means of randomly drawn samples of the same size as the sample in question.

stan·dard er·ror of the mean

(SEM) (standărd erŏr mēn)
Statistical index of the probability that a given sample mean is representative of the mean of the population from which the sample was drawn.

stan·dard er·ror of the mean

(standărd erŏr mēn)
Statistical index of probability that a given sample mean is representative of mean of the population from which the sample was drawn.
References in periodicals archive ?
The standard error of the mean for the posttest academic responsibility data was SE = .
3 Calculation of the Standard Error of the Mean Using the Probability Distribution Sample Mean, P ([bar.
If you have calculated a mean value for sample data and are using it to estimate the population's mean (as in a comparison of two groups), the standard error of the mean describes the uncertainty of that estimate.
The mean, standard deviation, standard error of the mean, and the range for the Myers-Briggs sensing-intuition and thinking-feeling scales and the Vroom-Yetton Problem Set 5 scores for each group and for the entire sample are presented in Tables 1-4.
QRG capabilities also include advanced analysis techniques (cluster, conjoint, predictive analysis, etc), global market forecasting, model-building ability, and statistical knowledge (sampling, T-tests, standard error of the mean, regression, etc).
001 as compared to control, SEM: Standard error of the mean
The results of three independent experiments are expressed as the mean of counts per minute (CPM) [+ or -] standard error of the mean (SEM).

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