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.
A: attributes sample.
B: variables sample.
C: random sample.
D: representative sample.
举一反三
- A<br/>sample in which the characteristics of the sample are the same as<br/>those of the population is a ( ) A: variables<br/>sample. B: representative<br/>sample. C: attributes<br/>sample. D: random<br/>sample.
- 23. Sale by sample includes sale by seller’s sample, sale by buyer’s sample and sale by duplicate sample.
- To obtain a sample of 10 books in the store, the manager walked to the first shelf next to the cash register to pick the first 10 books on that shelf. This is an example of a A: systematic sample. B: simple random sample. C: stratified sample. D: convenience sample.
- An analyst does research about sampling and estimation. With respect to statistical analysis, a sample statistics is least described as: A: the set of rules used to select a sample. B: quantity computed from a sample. C: descriptive measure of a sample.
- 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