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meanor
2012 Nov 15
1
Compraring two independent samples
Hi,
In my reading of pairing means of two independent samples, I read statements
such as the standard error of the meanof X1 minus the mean of X2 is the
square root of s1^2/n1+s2^2/n2. Then I read:
"We could now derive the two independent samples confidence interval and
test statistic. However, a problem arises in that the distribution of the
test statistic (under the null hypothesis) will not be a t-distributio...