ACTIVITY 2: TIME TO THINK!
A city mayor wants to ask a sample of residents how they feel about different ways to mitigate traffic congestion. Which of the following methods of selecting the sample will yield the most valid information about the feelings of all residents of the city?
A) Survey all attendees at an upcoming sustainability event
B) Survey residents picked at random from a list of all residential addresses within the city limits
C) Survey all people visiting city hall during a particular month
D) Survey everyone attending city council meetings during the next three months E) Survey every tenth visitor to the city library
Explain why your choice of letter
A city mayor wants to ask a sample of residents how they feel about different ways to mitigate traffic congestion. Which of the following methods of selecting the sample will yield the most valid information about the feelings of all residents of the city?
A) Survey all attendees at an upcoming sustainability event
B) Survey residents picked at random from a list of all residential addresses within the city limits
C) Survey all people visiting city hall during a particular month
D) Survey everyone attending city council meetings during the next three months E) Survey every tenth visitor to the city library
Explain why your choice of letter
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Answer:
B.
Explanation:
Random sampling will help to provide an unbiased opinions from the population. B is the answer because the sample must be the residents of the city