Writing questions

1.) Define the following terms: i) representative sample, 11) element, in) target population, and iv) omnibus survey.

 2.)List and explain briefly ANY THREE errors in survey research

3.)Please write ONE survey question with answer categories for the following three concepts that are surveyed on college-students: (1) race. (2) attitudes on same-sex marriage, (3) commuting to campus.  
4.) Define random sampling and explain how we ensure that we have a random sample in our research. Also, explain why random sampling is important for a research study (for example, what would be the consequences if we do NOT have a random sample)