Brad and Tom are comparing their classes' scores on a math test. Both of their classes had mean scores of 80 on the test, but Brad's class had a range of 6 while Tom's class had a range of 30. If the highest possible score was 100, which class had the LOWEST score in it?

Question

mathmale · Answer

In this problem it's not likely that you can find / calculate the actual lowest score.  But the fact that the ranges of scores of the two classes are wildly different does help a lot towards identifying which class has the lowest score.

First:  what does "range" mean n this context?