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If you compare the average mean from X (17740.5) and the average mean for Y (12351.25) you can see that X is larger than than Y. But it doesn't really mean very much with the small sample size and huge deviation (X is 3406.13 and Y 3800.49). There is huge room for error- as you can see in slavakion's t-score.
Looking at the p-valueof a 2 sample t-test it seems to me that there's a .75 probability that x is larger than y.
Of course, i'm pretending like I know this stuff- but i'm just taking the class this semester. So take from it what you will.
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"Asking a bomb squad if an old bomb is still "real" is not the best thing to do if you want to save it." - denim
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