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I need to do a project for [1st year] biostatistics, but I don't have a very good grasp of the subject. I'm also not very creative, so the only idea I can come up with is comparing the amount of M&M's to a dollar gotten from $1 vs. 20cent vending machines. Will this work? Or should I change it to something else?

I think it would be:
H(0): mean number of M&M's is the same for $1 and 5x20c.
H(1): mean number of M&M's is not the same.

But, other than that, I am totally lost as to what else I would do with the info. And would one sample from 10 diffrent vending machines around campus of each type be considered a random sample? (or 2 from 5 of each if I can't find enough)

2007-05-22 02:43:24 · 1 answers · asked by Bianca 3 in Education & Reference Higher Education (University +)

Awesome, thanks. I couldn't find which kind of thing we would do for it before.
Yeah, they said it doesn't have to have any scientific relevance or anything, it's just so they can see that we understand the calculation-y stuff.
We'll collect the data today then :)

2007-05-22 15:12:35 · update #1

1 answers

I agree that biostats is kinda weird at first, but when it clicks, it really clicks.

Sounds to me you are trying to do a t-test on the number of M&M's from each kind of vending machine?

For a t-test, I don't think it is as important to randomize your veniding machines, especially if your campus has a very finite number of them.

I like your idea for your project. The only criticism I'd have is that it doesn't tie into any medical or biological applications. Otherwise, the statistical premise sounds good.

If you have any other comments, add them to your question details.

2007-05-22 11:01:17 · answer #1 · answered by Gumdrop Girl 7 · 0 0

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