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natural sampling uses what?
You can't conduct startified sampling if there are no difinative groups, thus systematic sampling is more efficient if your data has no groups.
Yes, if under simple random sampling there are likely to be too few representatives from a certain subset of the population in which you might have an interest.
Using sample that does not match the population
1).There may errors (Producer's and Consumer's risk) associated with the sampling. 2).The sample does not provide 100% accurate information of the condition of the bacth.
Advantages of multistage sampling?
advantages: reduce bias easy of sampling disadvantages: sampling error time consuming
advantages of multiphase sampling
There are many advantages and disadvantages of sampling. These advantages include being able to try what you need before you buy.
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advantage of probability sampling
natural sampling uses what?
Advantages of Sampling:; Sampling has some advantages over the complete count. These are: ... Sometimes there is a need for sampling. Suppose we want to inspect the eggs, the bullets, the missiles and the tires of some firm.
There are many advantages of using the stratified random sampling. Some of them are, ability to reduce human potential in choosing the cases in sample, statistical conclusion fro data collected, improving representation of strata etc.
efficiency
Snowball sampling allows for the recruitment of hard-to-reach populations, such as marginalized or hidden communities. It is particularly useful for studying groups where there is no defined sampling frame. Additionally, it can help build trust and rapport with participants as referrals come from within the community.
Advantages of cluster sampling include that it's inexpensive, fast, and simple. A disadvantage is that it is known to have a high sampling error.