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a.
To state: the sample.
a.
![Check Mark](/static/check-mark.png)
Answer to Problem 18STP
The sample is the voters.
Explanation of Solution
Given information:
Committee randomly calls
the committee randomly calls to the houses so the sample is the voters where the committee calls.
b.
To state: the population.
b.
![Check Mark](/static/check-mark.png)
Answer to Problem 18STP
The population is the voters of the houses.
Explanation of Solution
Given information:
Committee randomly calls
the committee randomly calls to the houses so the population is the people of voters of the houses.
c.
To state: the method of data collection used by committee.
c.
![Check Mark](/static/check-mark.png)
Answer to Problem 18STP
The data collection method is survey.
Explanation of Solution
Given information:
Committee randomly calls
the committee randomly calls to the houses and get the data from the voters,
So the data collection method is a suvey.
d.
To state: that the sample is biased or unbiased.
d.
![Check Mark](/static/check-mark.png)
Answer to Problem 18STP
The sample is unbiased.
Explanation of Solution
Given information:
Committee randomly calls
the committee randomly calls to the houses and here committee does not use any specific are but with the result of these voters opinion they decided the result so the sample is unbiased.
e.
To state: that the sample is simple, stratified or systematic.
e.
![Check Mark](/static/check-mark.png)
Answer to Problem 18STP
The sample is simple.
Explanation of Solution
Given information:
Committee randomly calls
the committee randomly calls to the houses and here committee does not use any specific are but with the result of these voters opinion they decided the result so the sample is unbiased and simple.
Chapter 12 Solutions
Algebra 1
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