Answer :
Objectives of the sampling activity apply to the sampling plan.
So, the correct option is A.
A certain number of observations are chosen at random from a larger population as part of the sampling process in statistical analysis. Depending on what kind of study is being done, the sampling technique may be systematic or just random. An Examination of Population Characteristics is the basic goal of sample research is to quickly, cheaply, and accurately identify all of the features of the population. Sampling allows for the collection of additional data on the entire population.
In order to obtain the same results from the sample as they would from the population, random population, random sampling helps researchers save money. Due to decreased costs involved with recruiting data collectors, non-random sampling is much less expensive than random sampling.
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