(x,y) ... (X-163, Y+125) Which ever direction it is, you apply it to the rule.
12, 3x3 = 9, +3 =12-3=9+3=12
Based on your question that ask where each situation and the sampling frame doesn't match the population, resulting in under coverage. The possible answer to your question is , under coverage in a random sampling where the result that you get is still just a partial of the whole but it could be done in anytime as long as the number of people are still there. It means that the sampling result do not just base in one session of sampling.
1999 Team won - 15
2000 Team won - 18
2001 Team won - 20
It depends on how wealthy the city is
