3 ms·
The goal - as per jamesblonde's comment - is to measure the effect of two different systems of government. The effect on the underlying people is the sample. So
by yummyfajitas 10y ago
The goal - as per jamesblonde's comment - is to measure the effect of two different systems of government. The effect on the underlying people is the sample. So in this sense, the more different the people, the worse they are for this measurement.