• Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample...
    27 KB (3,875 words) - 08:43, 17 May 2024
  • Thumbnail for Sampling (statistics)
    Random-sampling mechanism Resampling (statistics) Pseudo-random number sampling Sample size determination Sampling (case studies) Sampling bias Sampling distribution...
    54 KB (7,394 words) - 15:50, 27 June 2024
  • Since the sample error can often be estimated beforehand as a function of the sample size, various methods of sample size determination are used to...
    5 KB (698 words) - 18:44, 20 October 2023
  • Thumbnail for Stratified sampling
    subgroups' sample sizes proportional to the amount of data available from the subgroups, rather than scaling sample sizes to subgroup sizes (or to their...
    11 KB (1,511 words) - 22:23, 27 June 2024
  • {\displaystyle c_{\rm {v}}\,} itself. For many practical purposes (such as sample size determination and calculation of confidence intervals) it is s l n {\displaystyle...
    30 KB (4,015 words) - 16:59, 17 May 2024
  • statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that...
    53 KB (7,349 words) - 23:32, 7 July 2024
  • Thumbnail for Regression analysis
    the mean square error (MSE) of the regression. The denominator is the sample size reduced by the number of model parameters estimated from the same data...
    36 KB (5,081 words) - 16:47, 16 February 2024
  • Thumbnail for Standard error
    the sampling mean distribution obtained is equal to the variance of the population divided by the sample size. This is because as the sample size increases...
    20 KB (2,691 words) - 17:40, 10 June 2024
  • Thumbnail for Variance
    Variance (redirect from Sample variance)
    a sample is taken without knowing, in advance, how many observations will be acceptable according to some criterion. In such cases, the sample size N...
    57 KB (10,018 words) - 20:40, 27 June 2024
  • may be two columns of a given data set of observations, often called a sample, or two components of a multivariate random variable with a known distribution...
    6 KB (665 words) - 21:58, 26 March 2024