stratified sampling उदाहरण वाक्य

उदाहरण वाक्य

1. We'll be using WP : Labels to apply topic labels to 198 pages from a stratified sample based on page quality.
2. They took a stratified sample of the feedback posted during a one month period, then re-sampled it, giving them 808 samples.
3. In stratified sampling, a random sample is drawn from each of the strata, whereas in cluster sampling only the selected clusters are studied.
4. To learn more about how contributor motivation affects role behaviour, a survey of a stratified sample of contributors was performed, with 175 valid responses.
5. In computational statistics, stratified sampling is a method of variance reduction when Monte Carlo methods are used to estimate population statistics from a known population.
6. A uni-stage stratified sample is designed for Egyptian households in different governorates after being divided into three areas : urban governorates, Upper Egypt and Lower Egypt.
7. Stratified sampling ensures that at least one observation is picked from each of the strata, even if probability of it being selected is close to 0.
8. In stratified sampling, a random sample is drawn from all the strata, where in cluster sampling only the selected clusters are studied, either in single-or multi-stage.
9. Mapping was carried out on the 1 : 10, 000 scale using a stratified sample of a thousand 1 km 2 squares, 500 urban and 500 rural.
10. When it is not possible to make strata for stratified sampling, there may be some knowledge about the forest where it can be said that small groupings are possible.