Which are the common used ways to sampling?
A: Simple random sample without replacement
B: Simple random sample with replacement
C: Stratified sample
D: Cluster sample
A: Simple random sample without replacement
B: Simple random sample with replacement
C: Stratified sample
D: Cluster sample
举一反三
- Bootstrap use（ ）. A: Sample with replacement B: Poisson sampling C: Systematic sampling D: Sample without replacement
- Which of the following is an example of nonprobabilistic sampling? A: Simple random sampling B: Stratified simple random sampling C: Cluster sampling D: Judgment sampling
- Which of the following is not random sampling method ? () A: Simple random sampling B: Systematic<br/>sampling C: Nonprobability sampling D: Cluster sampling E: Stratified sampling
- A researcher wants to estimate the difference in the means of two populations. A random sample of 36 items from the first population results in a sample mean of 430. A random sample of 49 items from t
- A sample in which the characteristics of the sample are the same as those of the population is a(n): （ ） A: attributes sample. B: variables sample. C: random sample. D: representative sample.