But we are not sub-sampling here. We are comparing the whole of the Netherlands with the whole of the US right? We might take a big bag of M&M's and a smaller

But we are not sub-sampling here. We are comparing the whole of the Netherlands with the whole of the US right? We might take a big bag of M&M's and a smaller bag of M&M's, and count both of their contents, and find that the small bag has proportionally significantly more blue M&M's than the bigger bag.