How to Choose a Sample Size in Qualitative Research. Quantitative research relies on analyzing statistical data, while qualitative research focuses on answering important business questions ...

Output 43.3.1: and R Charts with Varying Subgroup Sample Sizes Note that the central line on the R chart and the control limits on both charts vary with the subgroup sample size. The sample size ...

The paper highlights, with practical examples, the concepts and computations necessary to make sample size estimations accessible to all eye professionals involved in research, diagnostic and ...

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, ...

A criterion of "goodness" of tolerance limits is developed and a method given, using this criterion, for solving the sample size problem. Examples are given using the uniform, exponential, and normal ...

The variables in BATLIM whose values vary with subgroup sample size are assigned the special missing value V. The SHEWHART procedure provides various options for working with unequal subgroup sample ...