Answer:
there is a relationship between smoking and lung cancer
Step-by-step explanation:
Correlational research is a term in psychology that describes a form of non experimental research, in which determines whether there is existing relationship between two or more variables, and to what degree are existing relationship if it exists.
Hence, in this case, as a correlational research, This research after assessing the relationship between the two variables alone (smoking and lung cancer) demonstrates that, "there is a relationship between smoking and lung cancer."