The smallest bowl in Mr. Cain's new set is the one with the smallest volume. Looking at the graph, we can see that the smallest bowl has a volume of 0 units.
On the other hand, the bowl with the largest volume, according to the graph, has a volume of 1 unit.
To find out how much bigger the largest bowl is compared to the smallest bowl, we need to calculate the difference in their volumes. We can do this by subtracting the volume of the smallest bowl from the volume of the largest bowl.
Since the smallest bowl has a volume of 0 units, and the largest bowl has a volume of 1 unit, the difference in their volumes is:
1 unit - 0 units = 1 unit.
Therefore, the largest bowl is 1 unit bigger than the smallest bowl.