Sampling errors refer to differences between the sample and the population that exist because only some observations are included in the sample. /

Steekproefnemingsfoute verwys na verskille tussen die steekproef en die populasie wat voorkom omdat slegs sommige waarnemings in die steekproef ingesluit is.

Sampling errors are introduced when responses are not obtained from all the members of the population. /

Steekproefnemingsfoute vind plaas wanneer terugvoer nie van elke lid in die populasie ontvang is nie.

Non-sampling errors are due to mistakes made in the acquisition of data or due to incorrect sampling methods. /

Nie-steekproefnemingsfoute is a.g.v. foute wat gedurende die data-insameling gemaak word of foutiewe steekproefnemingstegnieke.

Sampling and non-sampling errors can arise when a sample is taken from a population. /

Steekproefneming en nie-steekproefnemingsfoute kan plaasvind indien ʼn steekproef uit ʼn populasie geneem word.