4 + 6 + 8 = 18, the Venn diagram only shows the data of 18 people. Assuming that the given data is correct, there should be 2 people placed inside the rectangle and outside the circles who do not ...

Consider the first group of diagrams below. At the top we have a classic Venn representation. The rectangle is the “universe” containing everything. The two overlapping circles represent two “classes” ...

So I'm asking for your help. Consider the diagram below. At the top we have a classic Venn representation. The rectangle is the “universe” containing everything. The two overlapping circles represent ...