Give it a try
As the hotshot fishfood innovator who has just shown how effective your new fishfood is, you would really nail down your case if you could show that other brands don't have your edge. How about practicing with a few more t-tests?
Here's the MalWart brand. See if you can remember each of the calculations to blast this one out of the water.
|MalWart Brand||5||192 g||15 g|
|Generic Brand||5||173 g||20 g|
|degrees of freedom
(for p-value = 0.05)
So, are the two brands different, statistically speaking?
Copyright University of Maryland, 2007
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