The
process which requires the calculation of an interval and then
selects the items based on the size of the interval is (
)
A: statistical
sampling.
B: random
sample selection.
C: systematic
sample selection.
D: computerized
sample selection.
process which requires the calculation of an interval and then
selects the items based on the size of the interval is (
)
A: statistical
sampling.
B: random
sample selection.
C: systematic
sample selection.
D: computerized
sample selection.
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.
- Counter<br/>sample can also be called _____________.() A: duplicate<br/>sample B: sealed<br/>sample C: confirmed<br/>sample D: contracted<br/>sample
- The<br/>main factors affecting the selection effect are () A: The<br/>genetic composition of the population B: The<br/>size of the population C: Genetic<br/>characteristics of traits D: Selection<br/>criteria and accuracy of identification
- The<br/>methods used for evidence collection will vary depending on?() A: the<br/>environmental condition B: Laboratory<br/>condition C: the<br/>entirety of sample D: the<br/>type of sample
- The quantization process<br/>____. A: converts the<br/>sample-and-hold output to binary code B: converts a sample impulse<br/>to a level C: converts a sequence of<br/>binary codes to a reconstructed analog signal D: filters out unwanted<br/>frequencies before sampling takes place