Rates take 1


Please have a good look at the graph below (you should alter the lines being displayed by clicking in the top right hand corner of the graph).

 

http://public.tableausoftware.com/views/PTW/Sheet1

 

Task Comment on what the plot of motorcycle deaths and motorcycle ownership seems to be showing you?   Does it differ from what you see when you think of all road deaths?   Do you think there is a rate we should be measuring here?

Task Discussion