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Reader Response to “Don’t Marry Career Women” – lorem ipsum

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WillOWisp
Contributor

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Message Edited by WillOWisp on 08-30-2006 06:30 PM

08-24-2006 05:35 PM

Re: Interesting interpretation of the “research”
MrDonadei
Contributor
MrDonadei

Hi,

this is quite surprising also for me. What you say is true, 2/10=1/5=0.2 < 0.5=1/2. However in statistics, to accept or reject the hypothesis of your test you have to check also the variability of your variable. So, for example, having two variables X and Y:
X=0.2, 0.2, 0.2, 0.2
Y=-0.3, 0.9, -0.1, 0.7
you would conclude that the average of Y is higher than average of X, but the same is for its dispersion around this value and in particular while for X we will accept that it is different from zero, we won’t do the same with Y. But this is just accepting an hypothesis, statistics is not about discovering truth, is about trying to “make the best guess”!

08-24-2006 05:48 PM

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