Construct potential hypotheses or research questions to relate the variables in each of the following examples. Also, write a brief statement explaining why you believe there is a relationship between the variables as specified in your hypotheses.

1. Political party and support of a U.S.–Mexico border wall 2. Income and race/ethnicity 3. The crime rate and the number of police in a city 4. Life satisfaction and marital status 5. Age and support for marijuana legalization 6. Care of elderly parents and ethnicity