# a citizens group wants to determine people's opinions about a new road. The members

QuestionsCategory: Matha citizens group wants to determine people's opinions about a new road. The members
Tanner Valencia asked 6 months ago
a citizens group wants to determine people’s opinions about a new road. The members of the group conduct a survey at the largest part of the mall in the city. Which best describes the sampling method used by the citizens’ group?

A.) convenience sample
B.) random sample*******************
C.) self-selected sample
D.) systematic sample

the town council must decide how to allocate next year’s budget. they survey a sample of the town population to determine residents’ preferences. Which survey question does not show bias?

A.) Don’t you think we should repave Main Steet?

B.) Do you agree we should install street lights on Elm Street?

C.) Don’t you agree we shouldn’t replace the public basketball court?

D.) Do you think we should plant gardens in the park or buy new park benches?****

You want to determine what percentage of working adults in your neighborhood regularly ride the bus to work. Which sampling method and survey question are best?

A.) Wait at the bus stop one morning and ask all working adults, “How many times per week do you ride the bus to work?”******

B.) Go to every fifth house and ask the working adults, “How many times per week do you ride the bus to work?”

C.) Leave a note at each house asking working adults to call and answer the question, “Do you ever ride the bus to work?”

D.) Enter the names of all adults in your neighborhood into a computer program to randomly select a sample and ask, “Do you ever ride the bus to work?”

A researcher tags 20 squirrels in a wood. The next month, she returns to the wood and observes a sample of 12 squirrels, 5 of which are tagged, and a sample of 25 squirrels, 9 of which are tagged. If the two samples are representative of the squirrel population, which is the best estimate of the number of squirrels in the wood?

A.) 35
B.) 50*********************************
C.) 60
D.) 75