a science class investigative the relationship between the amount of time students spent doing chores every night and their average grades on school work which statement from the lab report best represents a conclusion a if students spend at least one hour per night on chores then they are guaranteed to get higher grades on their school work be based on our results students who do one hour of chores for night at grades that are on average 0.2 points higher than students who do no chores see doing chores at night actually help students do better at school even if it seems like the opposite would be true d we believe that students should spend at least 2 hours doing chores every night if they want to get better grades at school and help their families. a b c or d?