To tell if the estimates are valid, there are certain considerations to make. These include:
Using the right sample sizeThe use of random selectionThe right response ratesUsage of the right estimation methodsHow to tell if estimates are validTo be sure that the estimates for random sampling are valid, it would be right to look out for the outlined standards. You want to be sure that you are using the right sample size and that the sample being used for selection are randomly selected.
Also, correct estimation methods such as the multilevel methods should be used.
Learn more about cluster sampling here:
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