Hoping to learn what issues may resonate with voters in the coming election, the campaign director for a mayoral candidate selects one block at random from each of the city's election districts. Staff members go there and interview all the residents they can find.

Identify the next items (if possible). If you can't tell, then say so-this often happens when we read about a survey.

a) The population

b) The population parameter of interest

c) The sampling frame

d) The sample

e) The sampling method, including whether or not randomization was employed

f) Any potential sources of bias you can detect and any issues you see in generalizing to the population of interest

Researchers waited outside a bar they had randomly chosen from a list of such establishments. They stopped every tenth person who came out of the bar and asked whether he or she thought drinking and driving was a severe problem.

Identify the next items (if feasible). If you can't describe, then say so-this often happens when we read about a survey.

f) Any potential sources of bias you can detect and any issues you see in generalizing to the population of interest

Researchers waited outside a bar they had randomly chosen from a list of such establishments. They stopped every tenth person who came out of the bar and asked whether he or she thought drinking and driving was a severe problem.

Identify the next items (if feasible). If you can't describe, then say so-this often happens when we read about a survey.

e) The sampling method, including whether or not randomization was employed