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    Sampling




    Assume I have a population A of 4000 people and Population B of 400. I want to select a sample from A and a sample of B can I choose randomly 100 of A and 100 of B to run my analysis?

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    I have recently used the same randomisation in a peer - reviewed paper with no problem. I had a group with 1600 and a group of 450 of which I needed 150 for analysis. Random samples were taken from each.

    Phil

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