A researcher in health care is interested in discovering if there is an association between government health spending and the longevity of its citizenry. The researcher collects information from a number of countries regarding the health spending (as a percent of the gross domestic production) and the life expectancy of citizens. Is there an association between government health spending and life expectancy? Question 14 (2 points) What is the INDEPENDENT variable in this problem? Question 14 options: number of countries health care life expectancy government health spending Question 15 (2 points) What is the DEPENDENT variable in this problem? Question 15 options: government health spending life expectancy number of countries health care Question 16 (2 points) What is the appropriate statistical test for this problem? Question 16 options: simple linear regression Pearsons correlation coefficient multiple correlation multiple regression