A Teacher Wants to Determine If the Average Paper Grade

Multiple Choice

A teacher wants to determine if the average paper grade of three tutorial groups significantly differs from each other.In this case:

A) Paper grade is the independent variable and the number of tutorial groups is the dependent variable.
B) Paper grade is the independent variable and tutorial group is the dependent variable.
C) The number of tutorial groups is the independent variable and paper grade is the dependent variable.
D) Tutorial group is the independent variable and paper grade is the dependent variable.