The following data set (WIRE) contains breaking strength measurements recorded in pounds per inch for 25 samples from a metal wire manufacturing process. The subgroup sample sizes vary between 3 and 7 ...

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 ...

Workspace Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. CLINIC-BASED SURVEY OF ACQUIRED HIV DRUG RESISTANCE ANNEX 3.: EXAMPLE: SAMPLE SIZE ...