Interpreting Graphs/Data: The following chart illustrates daily television usage reported by a population of 150 students:
Television Habits N
0 hours / day 15
1 hour / day 30
2 hours / day 50
3 hours / day 35
4 hours / day 20
Total 150
a) What percentage of students watches no television per night?
b) What percentage of students watches 2 hours or more of television per night?
c) On average, how many hours of television does a typical student watch per day?