#### Answer

55 students had a stress rating of 8 or more.

#### Work Step by Step

Using the table given, we look at the frequencies of 8, 9, and 10. The value of 8 had a frequency of 26. The value of 9 has a frequency of 15 and the value of 10 had a frequency of 14. We add those frequencies together: 26 + 15 + 14 and get 55.