List many reasons why a scatter graph shows that as the amount of after school activities increases the amount of total guilty cases for children between the ages of 12 to 17 increases and also how school activities and guilty cases

List many reasons why a scatter graph shows that as the amount of after school activities increases the amount of total guilty cases for children between the ages of 12 to 17 increases and also how school activities and guilty cases have decreased over the past 10 years for this same age group ??