What is the importance of sampling?

The importance of sampling is that we can determine the adequate respondents from the total number of target population. Thus, it will be used in the research study which should be adequate to warrant generalization of the findings to the target population. And the sample size represents the characteristics of the whole population. The advantages of sampling are:
1.It is economical and practical; faster and cheaper;
2. It can yield more comprehensive information;
3. It is more accurate; and because of savings
4.It permits in time and money,
5. the sample survey makes possible the use of much larger and much more varied populations than would be possible for the same expenditure if one were making a complete enumeration.
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