Randomly selected samples from a larger population prevent bias in statistical procedures while avoiding the hassle of dealing with the entire dataset. If you have a list of entries to pick from in ...

Excel provides three functions for generating random values: RAND(), RANDARRAY(), and RANDBETWEEN(), but there’s no comparable function for generating random letters. The truth is, most of won’t need ...

When observations are costly or time-consuming but the ranking of the observations without actual measurement can be done relatively easily, rankedset sampling (RSS) can be employed instead of simple ...