Graph Gurus and Chart Critics II

For the FIRST (top) chart: 1) If the area of the big circle represents 1,000 observations, how many observations does the second-biggest circle represent? 2) If the area of the second-biggest circle represents as many observations as you just said, how many observations does the third-biggest circle represent? For the SECOND (bottom) chart : 3) If the area of the big circle represents 1,000 observations, how many observations does the second-biggest circle represent? 4) If the area of the second-biggest circle represents as many observations as you just said, how many observations does the third-biggest circle represent?





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