It can choose people and it units innaproriate circumstances
Data won't always be accurate.
what are the advantage of and disadvantage of sampling method
True.
Random Sampling
You are correct; convenience sampling is not random sampling.
The Kish Grid sampling method has it's advantages and disadvantages. The advantage as it gives prospective employees whom otherwise would not have had the opportunity the chance to appeal their application in the form of an interview. However, the disadvantage is that many well qualified deserving prospective employees will not be considered for the job.
Answer is Quota sampling. Its one of the method of non-probability sampling.
because it is the simplest sampling technique which requires less time and cost.
Instantaneous sampling is one method used for sampling a continuous time signal into discrete time signal. This method is called as ideal or impulse sampling. In this method, we multiply a impulse function with the continuous time signal to be sampled. The output is instantaneously sampled signal.
Advantage and disadvantage of project method
It is a sampling method in which units are selected based on easy access/availability. The disadvantage of convenience sampling is that the units that are easiest to obtain may not be representative of the population. For example products on top of a box of parts may be a different quality from those at the bottom, people who are at home when the market researcher calls may not be representative of the entire population. It is also called as Accidental Sampling.
what are the steps involved in the mark and re-capture method in population sampling
THE RANDOM METHOD (: :P THE RANDOM METHOD (: :P THE RANDOM METHOD (: :P