Work Hours and TV Hours
In Exercise there was a graph of the relationship between hours of TV and hours of work. Work hours was the predictor and TV hours was the response. If you reversed the variables so that TV hours was the predictor and work hours the response, what effect would that have on the numerical value of the correlation?
Exercise :
Work and TV The scatterplot shows the number of work hours and the number of TV hours per week for some college students who work. There is a very slight trend. Is the trend positive or negative? What does the direction of the trend mean in this context? Identify any unusual points.