The only objective of statistics is to describe data sets (populations or samples).
Indicate whether the statement is true or false
Question 2
Property taxes Administrators of the fire department are concerned about the possibility of implementing a new property tax to raise moneys needed to replace old equipment.
They decide to check on public opinion by having a random sample of the city's population.
a. Several plans for choosing the sample are proposed. Write the letter corresponding to the sampling strategy in the blank next to each plan.
A. convenience; B. stratified; C. simple; D. cluster; E. systematic
_____i. The city has five property classifications: single family homes, apartments, condominiums, temporary housing (hotel and campgrounds), and retail property. Randomly select ten residents from each category.
_____ii. Each property owner has a 5-digit ID number. Use a random number table to choose forty numbers.
_____iii. At the start of each week, survey every tenth person who arrives at the city park.
_____iv. Randomly select a housing classification (say, apartments) and survey all the people who live in that property classification.
_____v. Have each firefighter survey 10 of his/her neighbors.
b. Briefly explain why plan iv suggested above, sampling an entire housing classification, might be biased. Be sure to name the kind(s) of bias you describe.
c. Name and briefly describe the kind of bias that might be present if the administration decides that instead of subjecting people to a random sample they'll just
i. interview people about the new property tax at a fire station open house.
ii. ask people who are willing to be taxed to sign a petition.
Fill in the blank(s) with correct word
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