Sample size
From AWF-Wiki
The sample size is the number of samples drawn from a defined sample frame based on a certain Inventory design. Sample size calculation is an important reqirement in forest inventory as it directly affects the cots of the sampling exersise as well as the Confidence interval for the derived estimations (Kleinn 2007[1]).
The question about the reqired sample size can not be answered directly. But the question about what sample size is necessary to derive an estimation with a predetermined precicion and a defined width of the confidence interval generally can be answered, though this answer is an estimation too (de
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