to see if satisfaction level differs for airline passengers, based on where they sit on the airplane, all passengers on a particular flight were surveyed by the end of the flight passengers were grouped based on whether they sat in an I'll seat a middle seat or a window seat each passenger was asked to indicate their satisfaction with the flight by selecting one of the following choices very satisfied, satisfied, dissatisfied, and very dissatisfied. How many variables are in the state set are the variables categorical or numerical what the purpose of the graphical display be to display the data distribution to compare groups or to investigate the relationship between two numerical variables, what graphical display would be appropriate for this