Which of the following has the most control over the cases it hears?

Which type of poll allows analysts to exclude nonvoters and isolate the opinions of voters, those who matter the most?

a. Exit poll b. Gallup public survey c. Political opinion poll d. Tracking poll e. Confidence level poll

Sun Belt states __________

a. have been steadily gaining political power b. have been steadily losing electoral votes c. tend to be more sparsely populated- d. tend to have higher tax burdens than other states