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Thu 27 Feb, 2014 10:37 am
In the Spss independent sample test layout. How do i find out the sum of the data if i do not have set of data, just the number of participatants, t, degrees of freedom, std error different. To find the mean difference it is x bar sub 1 minus x bar sub 2. but in order to find x bar i need the sum of. How do i do that?