All of the students in Mr. Goshen’s class have taken a test. The sum of their test scores is 1700. All of the students in Mr. Haas’s class have taken the same test, and the sum of their test scores is 1650.
Is it possible to compare the mean score of the test-takers in Mr. Goshen’s class to the mean score of the test-takers in Mr. Haas’s class? Explain your answer.