If it is too time consuming and/or expensive to analyse the whole population of interest you can take a sample instead. If the survey is conducted using correct sampling techniques (e.g. randomised selection, adequate sample size, etc.) the survey can tell you just as much as basing your results on a census.
Convenience sampling or quota sampling.
what are the advantage of and disadvantage of sampling method
Sampling techniques in researching involves to types of sampling. The probability sampling and the non-probability sampling. Simple random is an example of probability sampling.
when there are errors in sampling design, such as biases in selecting participants or a non-representative sample, which can lead to inaccurate results.
F. Hull has written: 'The use of sampling techniques in the retention of records'
The techniques for reconstructions in DSP include signal processing, sampling and quantization, and eventually replacing hardware with software. Techniques generally begin with sampling in all modes.
Random sampling techniques.
Purposive sampling can allow the researcher to make generalizations about results. Purposive sampling also provides the researcher with many different sampling techniques.
please help!
random
It is not!
R. A. Sugden has written: 'Sampling techniques' -- subject(s): Sampling (Statistics)