[quote=Diego Mamani]Population and sample are mutually exclusive concepts. The latter is a subset of the former. When the phrase “population sample” is (mis)used, usually its author means to say “study sample”.[/quote]Or could be short for their “sample of the population”..
Ice Cream Sample — Sample of Ice Cream
Port Sample — Sample of Port… umm.. gotta go. Its eve and time for some Port..