Dear forum pal,(adsbygoogle = window.adsbygoogle || []).push({});

Here is my problem:

- We would like to buid an experiment in order to check the effect of a new energy drink that is destined to the olympic sprinters (100m).

- Here are our requirements for the experiment.

- Type I error = alpha = less than 0.05

- Power = 1-beta = better than 0.80

If the results difference over 100 meter between someone who used the drink and someone who did not is 0.1%, what is the required sampling size ?

Same question for a difference of 0.2 %, 2.5%, 3.6%, 4.0% and 4.7%

Please try to help us.

If our question lacks any other information please let me know.

Pistone.

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# Sample Size

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