Ecological MethodologyThis coherent text translates the methods of statisticians into "ecological English" so that students may readily apply these methods to the real world. Ecological Methodology, Second Edition provides a balance of material on animal and plant populations. It teaches students of ecology how to design the most efficient tests in order to obtain maximum precision with minimal work. The first part of the text focuses on biological and technical issues in statistical methodology. Students learn about advances that have been made in designing better sampling devices, along with the techniques and equipment used for sampling. The second part deals with creating solid statistical design, and presents all methods that are well-known to statisticians in a language and context that students will easily understand. |
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... ( probability = 1 − a ) Type II error ( probability = B ) Decision Reject the null hypothesis Type I error ( probability = a ) Correct decision ( probability = ( 1 − B ) = power ) Most ecologists worry about a , the probability of a ...
... probability of selection . 3. Select one of the S , samples by the appropriate probability and a random number table . If you collect a sample according to these principles of probability sampling , a statistician can determine the ...
... probability or with probability proportional to size ( PPS ) . For example , in Figure 8.6 we could choose two of the 7 primary sampling units at random , assigning probability of 1 in 7 to each . Alterna- tively , we could note that ...