math: statistic/ probalitity - need help with problem#3-24(a-e) - please explain

Question

math: statistic/ probalitity
- need help with problem#3-24(a-e)
- please explain the correct answer to each questions
- thank you

Suppose you were conducting a survey to try to determine what portion of voters in your small town support a particular candidate for mayor. Consider each of the following methods for sampling the voting population of your town. State whether 3-24. each is likely to prodtuce a representative sample and explain your reasoni a. Ask every voter on your block. Randomly pick one house from each block in the neighborhood and survey the homeowner b. Survey each person at the pancake house after church on Sunday morning. Ask people who are leaving the twice-yearly town hall meeting Visit every tenth person on the county's voter registration list. c. d. e. Unit 3: Comparing Two Variable Data 12

Explanation / Answer

a) Not representative; neighborhoods in towns tend to have different characteristics from each other like wealth, ethnic makeup, proximity to services, traffic, etc.

b) fairly representative, but this will also survey non- voters, it would be better to survey only voters

c) Not representative, this samples the population of people who attend church and who favour the particular pancake restraunt and have the time and money for a leisurely brunch

possibly, it might be pretty representative because you will get active citizens who are also more likely to vote, but if a 'hot topic' is on the agenda, you might get mostly those who are passionate about the one agenda item.

d)

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