Choosing significance

A group of medical researchers is developing a new flu vaccine. They are about to begin a human trial to test the efficacy of the vaccine. There are a number of concerns about beginning this study:

  • If approved, the vaccine will be widely distributed. It is important that the researchers are sure of their results.

  • Money is not an object in determining how much data should be collected for their study.

  • There is concern among advocacy groups that the vaccine could have some harmful effects. The researchers would like to allay these fears as much as possible with solid data.

Based on these concerns, which is the most appropriate level of significance for the researchers to use in this study?


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