Betekenis van:
stratified sampling

Voorbeeldzinnen

1. Sampling shall be stratified by slaughterhouses that participate and proportional to slaughterhouse capacity.
2. ‘sample surveys’ means statistical surveys based on stratified random sampling which are designed to provide representative statistics concerning agricultural holdings at regional and national levels.
3. Sampling shall be stratified throughout the whole Member State, so that samples can be considered as representative for the whole Member State, taking into account:
4. Sampling for serological testing for avian influenza shall be stratified throughout the whole territory of the Member State, so that samples can be considered as representative for the whole of the Member State.
5. A proportionate stratified sampling scheme is used for the coordinated monitoring programme whereby the samples are allocated to every Member State proportionally to the size of the human population in that Member State.
6. Sampling shall be stratified throughout the territory of the whole Member State, so that samples can be considered as representative for the whole of the Member State, taking into account:
7. ‘sample surveys’ means statistical surveys based on stratified random sampling which are designed to provide representative statistics concerning agricultural holdings at regional and national levels. The stratification shall include the size and type of the agricultural holding to ensure that agricultural holdings of different sizes and types are adequately represented;
8. The Statistical Business Register (SBR) referred to in Council Regulation (EEC) No 2186/93 [1] shall normally be taken as the main source of the sampling frame. A nationally representative stratified probability sample of enterprises shall be taken from this frame.