statistics, the standard deviation is a measure of the amount of variation of a random variable expected about its mean. A low standard deviation indicates...
55 KB (7,602 words) - 02:39, 4 June 2024
preferred to the more usual standard deviation. Note that unlike the usual arithmetic standard deviation, the geometric standard deviation is a multiplicative...
4 KB (710 words) - 03:07, 9 April 2024
Coefficient of variation (redirect from Relative standard deviation)
also known as normalized root-mean-square deviation (NRMSD), percent RMS, and relative standard deviation (RSD), is a standardized measure of dispersion...
30 KB (4,015 words) - 16:59, 17 May 2024
Look up standard deviation in Wiktionary, the free dictionary. Standard deviation is a widely used measure of variability or diversity used in statistics...
797 bytes (123 words) - 17:51, 29 March 2022
unbiased estimation of a standard deviation is the calculation from a statistical sample of an estimated value of the standard deviation (a measure of statistical...
18 KB (2,951 words) - 11:35, 10 May 2024
In statistics, the standard score is the number of standard deviations by which the value of a raw score (i.e., an observed value or data point) is above...
15 KB (1,883 words) - 18:22, 9 March 2024
The standard error (SE) of a statistic (usually an estimate of a parameter) is the standard deviation of its sampling distribution or an estimate of that...
20 KB (2,691 words) - 14:40, 3 December 2023
Weighted arithmetic mean (redirect from Weighted standard deviation)
random variable. Its expected value and standard deviation are related to the expected values and standard deviations of the observations, as follows. For...
44 KB (8,991 words) - 12:09, 22 April 2024
statistics, the standard deviation line (or SD line) marks points on a scatter plot that are an equal number of standard deviations away from the average...
2 KB (330 words) - 01:31, 14 May 2023
specify both the measure of deviation and the measure of central tendency. The statistical literature has not yet adopted a standard notation, as both the mean...
13 KB (1,665 words) - 17:30, 9 July 2023