A marketing firm is interested in determining whether there is an association between education levels and time spent watching television. The firm surveys 1oo people and finds that 40 have high school qualifications and of these 25 watch more than 15 hours per week of TV. 10 watch between 10 and 15 hours per week of TV and 5 watch less than 10 hrs per week of TV. The firm finds 20 individuals who have undergraduate qualification and of these 10 watch more than 15 hrs per week, 5 watch between 10 and 15 hours per week and watch less than 15 hrs per week, 15 watch between 10 and 15 hrs per week and 10 watch less than 10 hrs per week.
Determine whether there is a relationship between education levels and hours spent watching TV.