standard error of mean

  • 1standard error — n. Statistics a measure of the dispersion in the distribution of differences between expected and observed values of a statistic: the standard error of the mean is equal to the standard deviation of the original frequency distribution divided by… …

    English World dictionary

  • 2Standard error (statistics) — For a value that is sampled with an unbiased normally distributed error, the above depicts the proportion of samples that would fall between 0, 1, 2, and 3 standard deviations above and below the actual value. The standard error is the standard… …

    Wikipedia

  • 3Standard Error — The standard deviation of the sampling distribution of a statistic. Standard error is a statistical term that measures the accuracy with which a sample represents a population. In statistics, a sample mean deviates from the actual mean of a… …

    Investment dictionary

  • 4standard error — noun 1. : standard deviation 2. : standard deviation divided by the square root of the number of items in a sample tested : the standard deviation of the sample mean * * * ˌstandard ˈerror 7 [standard error] …

    Useful english dictionary

  • 5standard error — noun Date: 1897 the standard deviation of the probability function or probability density function of a random variable and especially of a statistic; specifically the standard error of the mean of a sample from a population with a normal… …

    New Collegiate Dictionary

  • 6standard error — (of a mean) the extent to which the means of several different samples would vary if they were taken repeatedly from the same population. Differences between means are said to have statistical significance when they are greater than twice the… …

    Medical dictionary

  • 7standard error of the mean — an indication of how well a sample mean estimates the population mean by measurement of the standard deviation of a sampling distribution of the means. It is approximately equal to where s is the sample estimate of the standard deviation and n is …

    Medical dictionary

  • 8standard error — /stændəd ˈɛrə/ (say standuhd eruh) noun 1. → standard deviation. 2. standard deviation divided by the square root of the number of items in the sample; the standard deviation of the sample mean …

  • 9standard error — Statistics. the standard deviation of a distribution of a sample statistic, esp. when the mean is used as the statistic. [1895 1900] * * * …

    Universalium

  • 10standard error — noun A measure of how spread out data values are around the mean, defined as the square root of the variance. Syn: standard deviation …

    Wiktionary