ms.john class took a timed test. What was the minimum and maximum times?

8.5 9.2 7.1 7.03 90.04 8.09

Look at them like this:

8.5
9.2
7.1
7.03
90.04
8.09

Which is the smallest number there? That's the minimum time.

Which is the largest number there?
That's the maximum time.