The answer is E. All of above are examples of how Greece was affected by their geography.
population is howmany, sample is a singular thing
Answer: Correlational study
Explanation: Correlational study is used to discover if there is a relationship or association between two variables. It establishes a degree of statistical dependence of one variable on the other and vice-versa.
In the question cited above correlational study was used to establish that there exist a relationship between Grade Point Average (GPA) and Alcohol Consumption and hence resulted in a Negative or inverse statistical relationship as a higher value of alcohol consumption tends to be associated with lower values of Grade Point Average (GPA).
Obsessive-compulsive or schizotypal personality disorders.