Question

A random sample of students were surveyed as to how much non-school screen time they had each week (for purposes of the survey, screen time was defined as: time spent online, on social media, watching TV, or playing video games) and if their grade average was above or below 80.
Screen Time
Hours above below
less than 4 hours 7 6
4-8 hours 17 16
8-12 hours 19 20
more than 12 hours 12 19

How many students who spend 8-12 hours a week on screens reported a grade average below 80?

Answer 1

20