In Microsoft Excel, common size financial statements compare cells against the balance total to determine what percent those figures have increased or decreased. Excel creates a new blank column in ...

On rearranging, this becomes Equation 4: It is now apparent that the humble average is the best least squares estimator for the data model, Y = X + ε, which is the measure of location. In addition, ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

A method is described for estimating and collecting the sample size needed to estimate the mean of a process (with a specified level of statistical precision) in a simulation experiment. Steps are ...

Sample sizes for single-stage phase II clinical trials in the literature are often based on exact (binomial) tests with levels of significance (alpha (α) <5% and power >80%). This is because there is ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Erika Rasure is globally-recognized as a leading consumer economics ...

Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 41, No. 4 (1992), pp. 389-397 (9 pages) The problem of sample size determination in the context of Bayesian analysis, ...