Question: Manatees 2005. Marine biologists warn that the growing number of powerboats registered in Florida threatens the existence of manatees. The data below come from the Florida Fish and Wildlife Conservation Commission (www.floridamarine.org) and the National Marine Manufacturers Association (www.nmma.org/facts).
a) In this context, which is the explanatory variable?
b) Make a scatterplot of these data and describe the association you see.
c) Find the correlation between Boat Registrations and Manatee Deaths.
d) Interpret the value of R2
e) Does your analysis prove that powerboats are killing manatees?