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2.3.2.2 Deployment of defibrillators

We went through the example of analyzing a study regarding deployment of defibrillators.

Remark What if it is more likely for some reason to be treated by CPR+defibrillator rather than by CPR alone? For example say that at most sport centers patients always ended being treated by CPR + defibrillator. This would be a big trouble. We might reject the null hypothesis in favour of $ H_a$ when in fact we are really rejecting the model (specifically, that it is equally likely to be treated by either CPR or CPR + defibrillator).


next up previous contents
Next: 2.3.2.3 Approximate test with Up: 2.3.2 Examples Previous: 2.3.2.1 Voter preference
Eran Borenstein
2007-05-04