Final answer:
There is not enough information to provide an exact number, but an estimation can be made based on the given percentage.
Step-by-step explanation:
The number of undergraduate and graduate students in the school of physical science can be determined by looking at the percentage of students in the Physical Sciences category in the given information. From the data, it is stated that Physical Sciences make up 15.6% of the total.
To find the number of students, we need to know the total number of students in the school. Unfortunately, the total number of students is not provided, so we cannot calculate the exact number.
However, we can make an estimation if we have the total number of students in the school. We can multiply the total number by 15.6% to get the approximate number of undergraduate and graduate students in the school of physical science.