Selecting a random sample from a set is simple. But what about selecting a fair random sample from a set of unknown or indeterminate size? That’s where reservoir sampling comes in, and [Sam Rose] has ...

Manual sampling techniques such as hand scoop and spigot sampling are common methods with food and beverage producers and processors. These convenient and low-cost, direct methods are widely accepted ...

It's not feasible to contact every member of the population, so only a sample, or a subset, of that population is included when conducting statistical research. The assumption is that the sample is ...