A science class investigated the relationship between the amount of time students spend doing chore every night and their average grades on school work. Which statement from the lab report best represents a conclusion ? A. Doing chores at night actually helps students do better at school, even if it seems like the opposite would be true
B. We believe the students should spend at least 2 hours doing chores every night if they want to get better grades at school and help their families
C. Based on our results , students who do 1 hour chores per night have grades that are on average 0.2 points higher than students who do no chores
D. If students spend at least 1 hour o chores , then there are guaranteed to get higher grades on there schoolwork