Thanks for your reply. My sample size determination is used for audit, not for hypothesis testing, for example, if there are 100,000 claim records, and I would like to find out what is the billing pattern. If 1,000 is calculated as the sample size, then I hope what I find the billing pattern from this 1,000 records is also true to another 1,000 sample drawn from the same 100,000 population. So there is no specific variable I want to test. I hope I put it clear this time.
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