A researcher wants to explore the relationship between the following two variables, Weight 1 and Weight 2.

Weight 1	Weight 2
130	138
160	156
220	224
125	119
205	213

 

In preparing for a balsa wood bridge challenge, students weighed (in g) a random sample of five balsa wood designs and recorded these data as Weight 1. They also recorded the maximum weight (in kg) that the bridge could support. If the students want to know if there is an association between the weight of the bridge (in g) and the maximum weight supported (in kg), which of the following is the appropriate inference method?