Bootstrap use（ ）.
A: Sample with replacement
B: Poisson sampling
C: Systematic sampling
D: Sample without replacement
A: Sample with replacement
B: Poisson sampling
C: Systematic sampling
D: Sample without replacement
举一反三
- 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
- Which of the following sampling methods is a probability sample?
- Which of the following statements about sampling is appropriate? A: Sampling risk could be reduced to zero by enlarging the sample size B: Sampling risk could be quantified in a statistical sampling C: Non-sampling risk could be reduced to zero by enlarging the sample size D: Non-sampling risk doesn’t exist during tests of controls
- The difference between the sample mean and the population mean is called the sampling error.
- The difference between the sample size and the population size is called the sampling error.